Gleanings of the Week Ending July 1, 2023

The items below were ‘the cream’ of the articles and websites I found this past week. Click on the light green text to look at the article.

How technology helped archaeologists dig deeper – Tools that tell us a lot more than excavation can: chemical and genetic analysis, lidar. This article uses new archaeological data from several cities (New York, Cahokia, Rome, Pompei, Angkor Wat)…pointing out that new analyses reveal that they were often full of immigrants that built the city and there were places those people lived nearby that often were not noticed by excavators! Archaeology is now able to tell us more about how ordinary people lived – not just the elite.

The white roofs cooling women's homes in Indian slums – Maybe white roofs will become a trend in lots of places…reduce the heat island effect that cities must struggle to overcome as the planet gets warmer.

Vienna is the most livable city in the world – It has stability, robust health care and education systems and strong infrastructure, among other factors. There are no cities in the US in the top 10; Honolulu, Hawaii is 25th on the list and the top city located in the US. There are 3 in the top 10 located in Canada: Vancouver, Calgary, and Toronto. 

That's no pizza: A wall painting found in Pompeii doesn't depict Italy's iconic dish – Tomatoes and mozzarella were not available 2,000 years ago when the fresco was created! Tomatoes came from the Americas a few centuries ago and mozzarella was invented in Naples in the 1700s.

This Ancient Maya City Was Hidden in the Jungle for More Than 1,000 Years – Found during a survey with light detection and ranging (lidar) scans in the Balamku ecological reserve on the Yucatan Peninsula. The site is on high ground surrounded by extensive wetlands. The ruins have been named Ocotun (‘stone column’ in Yucatec Mayan) in honor of the many columns found at the site.

Is fast fashion making us sick? – Fashion can be rife with toxic chemicals such as formaldehyde and chromium…and the US has done little to protect consumers from these toxins in clothes. Researchers are correlating declining fertility rate and the rise in autoimmune diagnoses in the US with chemicals found in our clothes.

Winners of the 2023 Audubon Photography Awards Celebrate the Beauty of Birds – Eye candy images of the natural world.

Surgeons must tackle three global health challenges to save lives – Assuming that a new device or approach is always better - not a good assumption but a common one that surgeon make!

The perilous life of the solitary pangolin – Learn about this African animal…their situation in the wild…and how things have changed over the past decade.

Winners of the 2023 BigPicture Natural World Photography Competition embrace our world’s biodiversity – Images telling stories.

Gleanings of the Week Ending June 24, 2023

The items below were ‘the cream’ of the articles and websites I found this past week. Click on the light green text to look at the article.

A New Day for the Ancestors’; Mounds - Archaeology Magazine – An Ohio Supreme Court ruling in December 2022 increases access to the earthworks. Soon, the mounds will cease to be part of the golf course at Moundbuilders Country Club!

How ‘tornado alley’ is changing - BBC Future – Tornado Alley is widening. Large tornado outbreaks have become most common in Alabama, Tennessee, and Kentucky rather than Texas and Oklahoma where the term ‘tornado alley’ was invented in the 1950s.

Knit One, Purl Two - Archaeology Magazine – Patterned silk stockings from the 17th century. Volunteers in the Netherlands tried to recreate them. It turned out to be exhausting and highly complex….and required hundreds of hours!

Rooftop Solar Grew Nearly 50 Percent Globally Last Year - Yale E360 – Great progress…the challenge remaining is to be able to use it when we need it. Upgrading electricity and storage infrastructure must keep pace.

50 Years of the Endangered Species Act: A Gulf Coast Success Story • The National Wildlife Federation Blog – The story of the recovery of the Brown Pelican. Now they are easy to see again!

The Fastest-Warming Continent, Europe Has Already Heated by More Than 2 Degrees C - Yale E360 – In 2022 Europe experienced 16,000 heat related deaths and $2 billion weather-related economic damages. With climate change, it is warming faster than any other inhabited continent.

What the Largest-Ever Study of Primate DNA Reveals About Ourselves | Smart News| Smithsonian Magazine – Evidently most primate species have more genetic diversity than humans do. However – primates at risk of going extinct are not helped by that diversity; their trajectory toward extinction is happening too rapidly.

Photography In the National Parks: Photo Documentation – Some tips on how to take pictures that help others recognize a special place/feature, understand a concept, or grasp the mechanics of how something happens.

Divers Are About to Pull a 3,000-Year-Old Shipwreck from the Depths | Smart News| Smithsonian Magazine – Pieces of wood…hand-sewn together. 23 feet of the 39 feet vessel are in very good condition.

Gleanings of the Week Ending June 17, 2023

The items below were ‘the cream’ of the articles and websites I found this past week. Click on the light green text to look at the article.

Humans taking a toll on Yellowstone wildlife - In recent days two black bears have been killed by motorists, an elk and a bison were also hit by vehicles, a newborn elk calf was picked up by motorists concerned for its fate, and a bison calf had to be put down after a visitor tried to help it out of the Lamar River so it could catch up with its mother. I remember that the park had good signage trying to educate people….seems that it isn’t as effective as I assumed it would be.

See the Rare Albino Echidna Spotted in Australia – It’s been named (Raffie) and photographed…evidently still in the wild! A piece of trivia from the article: a baby echidna is a puggle.

Tune in to the Great Salt Lake kestrel cam – Take a look…they hatched on May 17th…and they are growing up fast.

Scientists target human stomach cells for diabetes therapy – Still very much in research phase…but it would certainly improve the lives of a lot of people if it can be developed into a treatment!

This New Device Generates Electricity from Thin Air – Evidently the device can be made from any material that can be punctured with ultra-small holes. Too good to be true….or competitive with established clean energy sources like wind and solar?

Super low-cost smartphone attachment brings blood pressure monitoring to your fingertips – A clip that fits over the phone’s camera and flash…an app. It costs about 80 cents to make but the cost could be as low at 10 cents when manufactured at scale. Evidently it does not need to be calibrated either! I wonder if cuffs will become a thing of the past very quickly!

What we know about the health risks of ultra-processed foods – Research teasing out what exactly about ultra-processed food is bad. I’ve been trying to reduce ultra-processed food…so have been following the advice in this article for at about a year: if you're considering eating a packaged food, read the ingredient list…If you really have no idea what some of those ingredients are, it probably went too far.

You can make carbon dioxide filters with a 3D printer – Printing a hydrogel material that holds carbonic anhydrase (an enzyme that turns carbon dioxide and water into bicarbonate).

Nepal Won’t Move the Mount Everest Base Camp for Now, Despite Risks – Everest’s highest glacier has lost half its mass since the 1990s because of higher temperatures. It may only be a few years before the camp needs to move.

Colombia’s ‘cocaine hippo’ population is even bigger than scientists thought – Wild descendants of the hippos introduced in Columbia by Pablo Escobar….considered the largest invasive animal in the world. There are probably 181-215 of them in Columbia. Several strategies are being tried: contraception administered via dart, castration, exporting the animal to sanctuaries abroad. Culling appears to be the only strategy that can save the biodiversity of Columbia.

Gleanings of the Week Ending June 10, 2023

The items below were ‘the cream’ of the articles and websites I found this past week. Click on the light green text to look at the article.

In 2050, over 800 million people globally estimated to be living with back pain: Analysis also dispels common back pain myth -- ScienceDaily – Attributable to occupational factors, smoking and being overweight. More common among older people and women. Current clinical guidelines for back pain treatment and management do not provide specific recommendations for older people. Low back pain continues to be the greatest cause of disability worldwide.

Why Are Some Wolves Black? The Answer Will Surprise You - Cool Green Science – There are more black-colored wolves in the southern Rocky Mountains…more gray coated wolves everywhere else. The black is from dogs that traveled with humans across the Bering Strait around 10,000 years ago, and those genes also make the black-colored wolves more resistant to distemper (which came with the conquistadors to South America).

We now know exactly what happens in nature when we fell forests -- ScienceDaily – When agriculture replaces forestry…a detailed study done in the Azores…substantiates the advise to plant native trees and flowers…stop mowing the lawn!

The viruses that helped to make you human - BBC Future – About 8% of the human genome comes from viruses but, curiously, there is not evidence of new endogenous retroviruses (ERVs) entering the human genome in the last few 1000 years (Koalas are being invaded by koala retrovirus with the viral DNA found in some populations but not others). The most studied human ERV is HERV-W; first described in 1999; genes that are essential for the placenta to form.

Algae in the Andes – Bursts of phytoplankton are not unusual in oceans, seas, gulfs, and canals. Now they are in lakes too….and potentially hazardous.

New Low Cost High Performance Perovskite Solar Cells – It appears that solar cells are on track to get better and better!

Communities should reconsider walking away from curbside recycling, study shows -- ScienceDaily – Maybe the trend of towns and cities across the US cancelling or scaling back recycling programs due to rising costs needs to keep recycling but focus on recycling materials with the greatest market value (newspaper, cardboard, aluminum/steel cans, HDPE/PET plastic bottles) and highest potential for carbon offset.

Does the roar of rocket launches harm wildlife? These scientists seek answers – Launches at Vandenberg have increased from 5-15 rockets per year to 50-100. There are biodiversity hotspots near launch sites in California, Texas, and Florida; the study at Vandenberg is intended to provide more insight about how launches impact wildlife. The study is funded for 3 years but may need a decade to understand some of the impacts.

Remains of Child Mill Workers Examined in Northern England - Archaeology Magazine – A study of 150 remains from a churchyard cemetery…many were young people between the ages of 8 and 20. They were pauper apprentices and their bones showed signs of stunted growth, malnutrition, rickets, and tuberculosis.

Turmeric: here’s how it actually measures up to health claims – Many of the health claims have only been proved in the lab or in animals. There are studies that show that turmeric has a modest benefit for pain compared to a placebo – but the studies are often on small populations and there is a wide variation in the amount of turmeric participants were given. There is not enough research to firmly support any of the claims…although it is a great spice (flavor and color).

Gleanings of the Week Ending June 3, 2023

The items below were ‘the cream’ of the articles and websites I found this past week. Click on the light green text to look at the article.

100 Top Photographers Sell Prints to Benefit Ocean Conservation – Enjoy the photography….and participate in the fundraiser for the oceans.

Methane must fall to slow global heating – but only 13% of emissions are actually regulated – I was surprised that so little is regulated…and even when regulation exists it is sometimes not fully implemented.

Capping Oil & Gas Wells in Texas Could Create Tens of Thousands of Jobs - CleanTechnica – A way to reduce methane!

280,000 Photos Used to Create Highly-Detailed Image of the Moon – So many images…stitched together…colorized. The blog post includes a short description of how it was done.

Talking puppy or finger puppet? 5 tips for buying baby toys that support healthy development – Not surprisingly…in most cases, traditional toys provide better interactions and experiences then technological toys for 0-2 year olds.

Beatrix Potter’s famous tales are rooted in stories told by enslaved Africans – but she was very quiet about their origins – Thought provoking. There is considerable evidence that Beatrix Potter knew about the Brer Rabbit stories (books from her father’s library) and that she used the stories to create Peter Rabbit!

Chronic stress can inflame the gut — now scientists know why – Chemical cues produced in the brain….immune cells in the gut. For people with Inflammatory Bowel Disease (IBD) (includes ulcerative colitis and Crohn’s disease), stress might make treatments less effective…and can prompt flareups in patients what previously were responding well to medication.

Increased droughts are disrupting carbon-capturing soil microbes, concerning ecologists -- ScienceDaily – There is a need to understand how microbes respond to the disruption of drought in both agricultural and natural areas. Right now, soil holds more carbon that plants and the atmosphere combined….so it is important that we understand enough to effectively intervene if the soil starts releasing more of its stored carbon.

Getting to the Root of Skin Healing | The Scientist Magazine® - Research that indicates that hair follicle transplantation might accelerate wound closure, reducing scar formation, and remodeling existing scar tissue.

Antarctic ocean circulation has slowed dramatically – New research shows that collapse of the South Atlantic circulation will happen sooner than the North Atlantic!

Gleanings of the Week Ending May 27, 2023

The items below were ‘the cream’ of the articles and websites I found this past week. Click on the light green text to look at the article.

See the Breathtaking Ocean Life Found at Deep-Sea Vents – A short video is included…worth watching.

Exploring the underground connection between trees – Trees, fungi, and other organisms…all interdependent but not guided by a common purpose.

Vibrant Fungi Photos Capture the Beauty of Nature and Nostalgic Memories of Foraging for Mushrooms – Images to savor.

Traces of a Neolithic Road Discovered in the Adriatic Sea – Stacked stone slabs that connected a settlement to a man-made island…now under water.

Shifting sand spits – Gauging climate change in a high-altitude watershed.

Air pollution from oil and gas production responsible for $77 billion in annual US health damages, contributes to thousands of early deaths, childhood asthma cases nationwide – Another reason to dramatically reduce the burning of fossil fuels. It’s not just about climate change.

An ‘Epidemic’ of Loneliness Threatens Health of Americans – A mounting problem. Social disconnection has multiple types of cost: economic, health, poorer academic achievement/work performance.

The ocean is hotter than ever: what happens next? – Probably more extreme weather and marine heatwaves…problems for marine life from corals to whales.

Cleanup of inactive Gulf of Mexico wells estimated at $30 billion – The life cycle costs of the fossil fuel industry are much greater than we’ve ever paid (i.e. we haven’t generally paid for clean up costs as part of the cost of fossil fuel based products)…the bill will eventually have to be paid.

Photography In the National Parks: The Invitation of An Intimate Composition – Good tips for more than National Parks! It’s a special kind of landscape photography!

Gleanings of the Week Ending May 20, 2023

The items below were ‘the cream’ of the articles and websites I found this past week. Click on the light green text to look at the article.

These four challenges will shape the next farm bill – and how the US eats – Thought provoking. Will the author’s dream priorities for investment (organic agriculture as a climate solution, infrastructure to support vibrant local and regional markets and shift away from an agricultural economy dependent on exporting low-vale crops; and agricultural science and technology research aimed at reducing labor and chemical inputs and providing new solutions for sustainable livestock production) be funded….or will Congress stay entrenched in continuing agriculture as it is today.

The Energy Revolution in 5 Charts – 1. The energy transition is a technology revolution (it’s not a brown to green caterpillar…it is a caterpillar to a butterfly; we are moving from a commodity (fossil fuel) to technology-based system). 2) The renewable revolution is exponential, not linear (and we are at or past the knee in the curve). 3) The renewable revolution is led by China (with the US and Europe recently enacting policies to compete). 4) This is the decade of change (exciting times for heat pumps, electric vehicles, solar, and wind). 5) By 2030, the debate will be very different with the renewable revolution obvious to all.

National Park waterfalls being honored on US Postage Stamps – Beautiful places. Would like to see (and photograph) more of them!

The Camouflaged Looper: This Inchworm Makes Its Own Flower “Costume” – Another reason to take a closer look at flowers….the small creatures that might we living (and munching) there!

Our tropical fruits are vulnerable to climate change. Can we make them resilient in time? – The work to help our food plants tolerate and thrive with climate change. The post is specific to Australia but has applicability elsewhere. Techniques have already been successfully applied to chickpeas to make them more drought resistant, survive higher temperatures, and produce better yields!

Commercial Rooftop Solar on Warehouses Could Power All of Them – Commercial rooftop solar on America’s warehouses could provide 185 TWh of clean renewable energy every year. Hurray! Power produced near population centers where it is used….and avoiding taking farmland for solar panels (unless the plan is to grow crops under the panels).

Water arsenic including in public water is linked to higher urinary arsenic totals among the U.S. population – Not good…and water pitcher type filters do not remove it…..it takes reverse osmosis, activated alumina, or ion exchange (anion) resins to do that.

Fashion World Remembers Mary Quant, the Miniskirt Pioneer – I was old enough in the ‘60s to remember wearing Mary Quant type dresses!

How do you stay optimistic in spite of it all? 6 hopeful souls share their secrets – Thought provoking…maybe we all need to think about the ways keep ourselves positive….not let the pessimism around us overcome us.

The clean energy milestone the world is set to pass in 2023 - Greenhouse gas emissions from the power sector, the largest source of the world's emissions, are expected to fall for the first time!

Gleanings of the Week Ending May 13, 2023

The items below were ‘the cream’ of the articles and websites I found this past week. Click on the light green text to look at the article.

The chemistry of the coronation crowns – Not included in other reporting of the coronation in the UK…

Surging Brain Activity in Dying People May Be a Sign of Near-Death Experiences – An observation that surges of gamma waves occurred in the brain of two comatose patients when they were taken off life support and their heart stopped. Not enough evidence yet to know if this is a mechanism that happens more frequently at death…but it is an intriguing possibility.

A special omega-3 fatty acid lipid will change how we look at the developing and aging brain – Perhaps something that will develop into a treatment to help sustain myelin sheaths of our nerves better as we get older.

The puzzle of Neanderthal aesthetics – More evidence that Neanderthals might have been capable of the kind of complex symbolic concepts and behaviors that characterize our own species.

A Brighter Future for Attwater’s Prairie Chickens – Native to the coastal plains for Texas and Louisiana. Overhunting (commercial markets and shooting contests), land development, fire ant invasion…by the 1990s, fewer than 100 birds remained in the wild. Captive breeding began with some success. Hurricane Harvey wiped out nearly 90% of the wild population in 2017. Landowners have enlarged the habitat available to the birds…and there are now at about 250 wild birds.

Busts Provide New Insight into Spain’s Tartessos People – Carved of stone…dated to 5th century BC. Not much is known about the people except that they were goldsmiths.

Supreme Court Slaps Down Fossil Fuel Companies — Five Times! – Good news….the power of litigation as a tool for climate action can continue to move forward.

People who think positively about aging are more likely to recover memory – There is a power in positive thinking!

What causes the scum on tea? – Calcium and bicarbonate ions are the culprits. Adding lemon juice can be the cure!

Six ways to lower your carbon emissions quickly – The easiest one for me is to not fly; my husband and I haven’t flown for the past few years (since before COVID-19)!

Gleanings of the Week Ending May 6, 2023

The items below were ‘the cream’ of the articles and websites I found this past week. Click on the light green text to look at the article.

Digesta: An overlooked source of Ice Age carbs – Partially digested vegetable matter from large herbivores (such as bison) might have provided carbohydrates and other macro nutrients reducing the burden of ‘gathering’ for a time after an animal was slaughtered. Perhaps during migration, it was the dominant source of carbohydrates in a situation with reduced accessibility of plants. And maybe women participated in hunting to a larger extent than previously thought; ‘grave goods’ in burials found that perhaps 30-50% of all large-game hunters in the Americans during the late glacial era may have been female!

Anemia found to be common in ancient mummified Egyptian children – CT scans were done on 21 child mummies (between ages 1-14 at death) to study the skeleton inside the wrapped remains. 7 of the children had pathological enlargement of the cranial vault, typically associated with anemia. The study also found a child that died less than a year after birth of thalassemia (the body could not produce hemoglobin).

Bathing through the ages: 1300 – 1848 – 14th and 15th century bathhouses provided services beyond bathing (lancing abscesses, pulling teeth, steam rooms, mineral baths, cupping, herbal concoctions); they helped shape the public health services of larger cities as they grew, and health conditions deteriorated. By the 16th century, bathhouses started to disappear as Europe was ravished by plague, smallpox, and syphilis. But – by the 1800s, sanitation reformers were arguing that making bathing facilities available to the poorest classes of society offered an ‘affordable and immediate way’ of improving public cleanliness and health. Bathhouses, along with waterworks and sewage systems, laid the foundation for the UK Health Act of 1848.

Glass or Plastic: which is better for the environment? – There is not a clear-cut answer. I will lean toward glass because of its non-toxicity….but I also realize we need to improve the ways we use it (less single use) and recycle it (better sorting and improved processing that avoids melting it twice),

Greener batteries – Batteries with Organic Electrode Materials (OEMs) are one alternative that is being researched…in this case using azobenzene by a research team at a Chinese University. Hopefully there are researchers around the world also focused on producing greener batteries.

Protein powders: When should you use them? – I think of protein powder as an ultra-processed food….a food I only want to use if I can’t manage to get enough protein from unprocessed or lightly processed foods in my diet. It is not something I want to use every day!

Long Reviled as ‘Ugly,’ Sea Lampreys Finally Get Some Respect – Not so long ago…lampreys were an organism that seemed destined for extinction because we only saw it as a predator that wiped out the Great Lakes lake-trout fishery. Now, the consensus is that, in their natural habitat, marine lampreys are “keystone species” supporting vast aquatic and terrestrial ecosystems. They provide food for insects, crayfish, fish, turtles, minks, otters, vultures, herons, loons, ospreys, eagles, and hundreds of other predators and scavengers. Lamprey larvae, embedded in the stream bed, maintain water quality by filter feeding; and they attract spawning adults from the sea by releasing pheromones. Because adults die after spawning, they infuse sterile headwaters with nutrients from the sea. When marine lampreys build their communal nests, they clear silt from the river bottom, providing spawning habitat for countless native fish, especially trout and salmon. Wow!

The Pacific Garbage Patch Is Home to Coastal Species—in the Middle of the Ocean – A surprise for researchers…they found shrimp-like arthropods, sea anemones and mollusks, Pacific oysters, orange-striped anemones and ragworms. Crustaceans were taking care of eggs and anemones were cloning themselves. This does not make the Garbage Patch acceptable!

Photography In the National Parks: Same Spot, Different Time / Season / Weather – Spots in Yellowstone, Mount Rainier, and Olympic National Parks.

Greater fat stores and cholesterol increase with brain volume, but beyond a certain point they are associated with faster brain aging – People in wealthy countries have largely grown accustomed to eating more and exercising less -- habits that are associated with decreased brain volumes and faster cognitive decline. This study looks at indigenous people (two tribes in Bolivia that live along tributaries of the Amazon). The tribe that was closer to our subsistence ancestors had the lowest rates of hear disease and minimal dementia; in this group - BMI, adiposity and higher levels of "bad" cholesterol were associated with bigger brain volumes in older adults!

Gleanings of the Week Ending April 29, 2023

The items below were ‘the cream’ of the articles and websites I found this past week. Click on the light green text to look at the article.

Cold is beneficial for healthy aging, at least in animals – Research with nematodes and cultivated human cells. Both carried genes for ALS and Huntington’s disease. Cold actively removed protein clumps…preventing protein aggregation that is pathological for those diseases. The protease activator that caused the change was discovered…and the impact of temperature explored. Interestingly – “human body temperature has steadily declined by 0.03 degrees Celsius per decade since the Industrial Revolution, suggesting a possible link to the progressive increase in human life expectancy over the last 160 years.”

See Colorful Paintings of the Zodiac Signs from an Ancient Egyptian Temple – Ceiling paintings in a Ptolemaic temple…suggesting Greeks brought the zodiac tradition to Egypt.

 Nearly 1,000 Acres Added to New River Gorge National Park and Preserve – The acres are in the Preserve part of the park. I have visited the park only once…passing through on one of my many trips between Maryland and Missouri. There is a lot to explore there!

Vehicle Exhaust Filters Do Not Remove “Ultrafine” Pollution – Aargh! No wonder there are so many yellow and red air quality days in our cities caused by particulates.

What it really takes for Asia to get to net zero – Home to 5 of the 10 largest emitters: China, India, Indonesia, Japan, and South Korea. An article posted ahead of the BBC’s Sustainability Summit in Singapore. "The perception of higher cost for sustainability practices remains," says An (chief sustainability officer of City Developments Limited in Singapore). "But companies are starting to wake up to the fact that achieving climate goals is an "investment, not a cost."

Thread-like pumps can be woven into clothes – My first thought was maybe these will be commonplace in clothes – enabling us to work outdoors even on very hot days.

Sabertooth cat skull newly discovered in Iowa reveals details about this Ice Age predator – Almost as iconic as dinosaurs when it comes to childhood curiosity about extinct animals. One piece of trivia about modern cats: 40% of lion skulls in a study had survived head trauma to hunt another day. One of the ‘sabers’ of the Iowa Sabertooth was broken not that long before it died…might have even caused its death. Prey fights back…the predator does not always ‘win.’

Europe's unique trials in food 'social security' – Two projects: Montpellier, France and Brussels, Belgium. Run by collectives. The idea that quality, nutritious and organic food should be accessible to everyone.  Each citizen receives a monthly allowance enabling them to buy food meeting certain environmental and ethical criteria. The trials are running for 12 months. The big challenge is changing the way society thinks about food.

The Beauty of Bugs – The picture at the beginning of the article jogged my memory – of the necklace made from insect exoskeletons I saw at the Edge of Cedars State Park Museum when I visited Utah in 2013! I posted about it and took a picture back then…and am pleased to learn more about it and the possible implication it might have re the Basketmaker II culture.

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Scientists discover a way Earth’s atmosphere cleans itself – It’s surprising that we don’t know more about how the Earth’s atmosphere works!

Composting Mulch

This is my first spring in my Missouri house, and I am still acquainting myself with the flowerbeds around the house.  A very fast-growing plant came up in the east flowerbed and spilled out in the yard. I pulled a wheelbarrow of the stuff and took it back to put on the bare soil under the forsythia bush. It covered about half the space.

A few days later, the 4-6 inches deep plant material under the forsythia had collapsed to about ½ inch. I decided the weed is perfect for composting mulch! I started pulling the remaining weed in the east flowerbed.

I uncovered hostas, irises, violets, and a maple seedling. I pulled the maple seedling but left the other others.

It wasn’t difficult to pull another full wheelbarrow of weed.

This time it covered remaining the bare soil!

The weed might grow back since I probably did not get all the rootlets…but I have other places in the yard I can use it for mulch. The strategy is to pull it before it creates seeds. My overall goal is to keep what the yard grows cycled into the yard…avoid spraying or fertilizing…plant more pollinator-friendly plants…and (over time) reduce the amount of turf.

Gleanings of the Week Ending April 22, 2023

The items below were ‘the cream’ of the articles and websites I found this past week. Click on the light green text to look at the article.

Home Electrification Incentives in the Inflation Reduction Act – Now to decide what to do first….

How mobile phones have changed our brains – Some research about the impact phones have on our focus.

Drug overdose fatalities among U.S. older adults has quadrupled over 20 years, research finds – Overdose is a problem across the lifespan. Most deaths are unintentional.

Macro Photography Captures the Delicate Dance of Mantises in Malaysia – Wonders of the insect world. We have mantises in North America…but not as colorful as these Malaysian species.

A Plateau in the Heart of Texas – The Edwards Plateau…one of the geologic features of Texas that makes for scenic drives.

The Shaman’s Secrets – A 9,000-year-old burial of 2 people (one adult, one very young child) with 100s of ritual objects. The grave was first excavated in the 1930s…and assumptions were made…the adult was a man, blond hair, blue eyes. But modern analysis tells a different and more complete story.

Winter Rains Bring Mushroom Boom in California – Extra rain….and there are a lot more mushrooms!

Protecting Nēnē, The Threatened State Bird of Hawai'i – We didn’t see in nēnē when we went to Volcanoes National Park in 2015….it was good to see pictures of them.

Want to Improve Your Outdoor Recreation? Try Birding. – Yes! It has certainly been true for my husband and me. There are so many good resources about birding (festivals, birding trails, apps)!

A must-see sunset spectacle at Monument Valley – Wow! We visited in 2013 at midday. Next time I’ll plan to go in late March or mid-September…and stay until sunset.

Older adults with dementia but without close family: Who are they? And who cares for them? – Thought provoking.

Gleanings of the Week Ending April 15, 2023

The items below were ‘the cream’ of the articles and websites I found this past week. Click on the light green text to look at the article.

Cyprus’s copper deposits created one of the most important trade hubs in the Bronze Age – Cyprus was part of the first period of international trade in the Mediterranean. It was the largest copper producer around the area. Imports found via excavation included item from close countries like Greece and Egypt; items from distant places like Sardinia, the Baltic Sea region, Afghanistan, and India have also been found. Aside from copper, pottery produced in Cyprus at that time was exported and had been found in excavations around the Mediterranean and beyond.

Green Winter: Europe Learns to Live Without Russian Energy – “In a year when planetary emissions edged upward, Europe is now on track to comfortably outpace its pledge to generate 40 percent of its total energy from renewable sources by 2030.” Impressive.

Australia’s extinct giant eagle was big enough to snack koalas from trees – Likely one of Australia’s top predators during the Pleistocene.

Why East Antarctica is a 'sleeping giant' of sea level rise – The eastern part of Antarctica was thought to be resistant to global warming. In 2012, the East Antarctic ice sheet gained mass overall. But recently, it appears that some ice shelves are melting and might be at risk to collapse. The ice shelves in front of glaciers act as a safety band that keep the glaciers for speeding up and reaching the ocean. Scary comment from the article – “Most of the uncertainty about how much and how fast future sea levels will rise comes from how the East Antarctic Ice Sheet is going to behave.”

Arctic climate modelling too conservative – And about the other pole…researchers at the University of Gothenburg argue that the rate of warming will be faster than projected….and climate models need to reflect the processes occurring there.

In Eastern U.S., Climate Change Has Extended Forest Growing Season by a Month - Scientists tracked American elm, black walnut, white oak, and four other species in northwest Ohio, comparing their data to records collected by an Ohio farmer (Thomas Mikesell) from 1883-1912.

In these cheatgrass-infested hills – Often the natural places closest to where we live…are degraded in some way. That doesn’t mean that we can’t enjoy the natural world that we find there.

Federal Agencies Directed to Develop Policies for Migratory Corridors – Birds and butterflies and fish and big game.

Ski Resorts in the Western U.S. Will Stay Open Into the Spring and Summer – Something positive about record-breaking snowfall.

As Enforcement Lags, Toxic Coal Ash Keeps Polluting U.S. Water – Coal ash in the environment and polluting ground water. Even as we migrate toward renewables…the toxic legacy of burning coal is going to last a very long time.

Gleanings of the Week Ending April 8, 2023

The items below were ‘the cream’ of the articles and websites I found this past week. Click on the light green text to look at the article.

Avi Kwa Ame, Sacred Land in Nevada, to Be Preserved as a National Monument – Good! Another place to see when we make a trip in the west.

Volvo Delivers Its 1st Electric Heavy-Duty Truck in Africa – The truck is being used for collecting waste in Rabat, Morocco. Morocco is also home to the world’s biggest concentrated solar power facility.

A 90-year-old tortoise named Mr. Pickles just became a father of 3. It's a big 'dill' – Radiated tortoise native to Madagascar and critically endangered…at the Houston Zoo.

One of Europe’s last free-flowing rivers declared a National Park – Albania’s Vjosa River. Europe is also removing dams along other river just as we are in the US…but rivers that have been controlled by barriers will never be the way they were before the dam.

Clinics on wheels bring doctors and dentists to health care deserts – It’s a step forward and might work well for preventative or chronic care…but what happens in cases where the need is more urgent…like broken bones, having a baby, the aftermath of a car accident?

Technology over the long run: zoom out to see how dramatically the world can change within a lifetime – A graphic from ‘Our World in Data’ – worth the look. See the big developments they selected occuring during your lifetime….and when technologies we take for granted came along.

Take a Virtual Tour of the ‘Doomsday’ Seed Vault – Its doors are only opened a few times each year for new seed entries. The seeds come from countries from all over the world and are kept at -18 degrees Celsius. The most recent withdrawal was to re-establish a seedbank that had been destroyed in Aleppo during the Syrian Civil War.

Urban Trees Could Cut Summer Heat Deaths by a Third – Increasing tree cover to 30% could reduce premature deaths from urban heat islands by 40%. Sounds like a good idea of heath…and makes the cities more appealing too. Other actions can help too: green roofs/walls, light colored roofs/walls/landscape pavers, and replacing impervious surfaces with plants and soils.

Fresh produce contaminated with toxic BPA-like chemicals found in food labels – A Canadian study found that the chemicals migrate from labels in packaging materials into the food!

Common sweetener suppresses mouse immune system — in high doses – An artificial sweetener (sucralose) that might become a drug to reduce or replace immunosuppressive drugs that often have a lot of unpleasant side effects (if humans react to it the same as mice).

Thinking about Bridges

As I look at old books (on Internet Archive), the images of bridges always catch my attention. Why is that?

Perhaps I see them as a historical connection leading to social media of today….driven by our desire to communicate faster and to more people. Constructing bridges still helps us get from one place to another (usually over water); we do not think of the communication aspect of bridges so much anymore because there are so many other ways we can communicate; however, if there is a bridge destroyed by war or shut down by structural failure/renovation, we again become aware of how critical bridges are in our lives. Historically, as more durable bridges than a log across a stream were constructed…and longer bridges that could span a bay or connect islands to a continent…they must have resulted in cultural shifts locally. Were they as profound as the ones we experience now with social media? If so, the scale was smaller. Maybe there were some that realized the faster and broader communication is not always better…..that communication can foster division as well as consensus.

Or maybe they are symbols of our need to modify the world to meet our needs. We don’t always think through the impact of a bridge…the enabler it is to further development. For example, consider a bridge to a barrier island; that implies a road on the barrier island and then maybe beach houses or high-rise hotels with associated water and sewer infrastructure…dune and beach erosion, problems for structures when the island naturally wants to erode and rebuild.

Bridges are functional forms of art. They reflect the structural prowess of architects/engineers and the aesthetics of the culture and location where they are built.

Enjoy these pictures of bridges from some books I’ve browsed recently!

Siren, Osvlad. Histoire des arts anciens de la China vol.4 L'Architecture, 1930.

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Weston, Walter. Mountaineering and exploration in the Japanese Alps, 1896.

Carpenter, Frank George. Japan and Korea, 1926.

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Maxwell, Donald. Unknown Essex, 1925.

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Hale, Louise Closser; Hale, Walter. We discover the Old Dominion, 1916.

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Phillipotts, Eden. My Devon Year, 1904.

Peixotto, Ernest. The American Front, 1919.

Ryan, Lorna M. When I was a girl in Australia, 1932.

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Gleanings of the Week Ending March 25, 2023

The items below were ‘the cream’ of the articles and websites I found this past week. Click on the light green text to look at the article.

Arctic river channels changing due to climate change – The prediction was that Arctic rivers would be destabilized by atmospheric warming…that thawing permafrost would weaken riverbanks causing faster channel changes. Using 50 years of satellite data for areas of Alaska, the Yukon and Northwest Territories (which is experiencing the sharpest atmospheric warming due to climate change), researchers have discovered that greening of the area due to warmer temperatures has caused the riverbanks to be more stable…decreasing the sideways migration of river channels by 20% in the Western Arctic!

US Energy Storage Made Record Gains Last Year – A good new story! Something I didn’t know too: “they US remains the largest demand market for energy storage in the world.”

A pool at Yellowstone is a thumping thermometer – The water vibrates…the ground shakes. The intervals between reflects the amount of energy heating the pool at the bottom and how much heat is being lost from the surface.

Awe-Inspiring Videos Show Powerful Ospreys Diving in Pursuit of Prey – Photographer Mark Smith’s Osprey pictures/videos. I saw this post and the photographer was mentioned in the composition class I was views on the same day!

Crocodiles are uniquely protected against fungal infections. This might one day help human medicine too – Crocodiles have unique defensins (components of white blood cells and mucous membranes) that are inactive at neutral pH (as in the blood) but are active in sites of infection where the pH is lower (i.e. acidic). There is a lot more research and trials between this finding and application to humans.

'All work, no independent play' cause of children's declining mental health – The reduction has happened over decades. I was surprised by the quantification: “Between 1950 and 2010, the average length of the school year in the U.S. increased by five weeks. Homework, which was once rare or nonexistent in elementary school, is now common even in kindergarten. Moreover, by 2014, the average time spent in recess (including any recess associated with the lunch period) for elementary schools was just 26.9 minutes a day, and some schools had no recess at all.”

Mesa Verde National Park has plan to save Spruce Tree House – The area has been closed since 2015 because of concerns that layers of sandstone could peel away from the arch at any time. There is a lot of work involved and the plan is current open for public comment. When we visited Mesa Verde back in 1980, it was still open to visitors. Mesa Verde is still a National Park I would like to revisit.

Toxic red tide is back in Florida – Another deterrent to making a road trip to Florida….although it appears that right now there are no red tides in the panhandle…which would be the closest destination for us…I’m thinking maybe Pensacola.

Here Are the Incredible Winners of the 2022 World Nature Photography Awards – A little eye-candy for this week. ‘Fungus Horizon’ is my favorite.

Heat pumps for every home – A good introduction to heat pumps. I want a variable speed heat pump that uses the existing ducts in my house!

Diet Changes

I’ve made more dietary changes than usual these first months of 2023…challenging myself to eat healthier. I am not entirely settled into my ‘new normal’ and realizing that, now that I’ve have succeeded in a few changes, my confidence for changing more is growing. The overarching theme for the changes is eliminating foods that are heavily processed (ones that include heavy metals or ingredients that seem to cause digestive problems first).

The changes I’ve already made –

I moved from Lactaid milk to soymilk when it seemed that the Lactaid was not completely resolving my lactose intolerance. The soymilk was better, but I still sometimes felt bloated. I discovered that all the soymilks that provide calcium also have gellan gum which can slow digestion in some people. All the soymilks I found that did not include gellan gum, did not have calcium. So – I am back to the ‘no milk’ situation and taking supplements to get enough calcium (since I don’t get enough in my diet).

I was using stevia for sweetening my hot tea when the research about erythritol came out…discovered that the packets I was using had erythritol as the first ingredient! The packets in my pantry were thrown away and I didn’t replace them. Right now, I am using honey if I want my tea sweetened but usually don’t need anything.

I started looked at my supplements and discovered that all the chewables have sugar of some kind (usually sugar alcohol or artificial). I have finished my supply of those supplements and bought capsules or tablets instead. Also – I noticed that chewable calcium supplements not only had sweeteners…the also contained talc (which is not something I want to eat either).

Diet Pepsi has been my soft drink of choice for a long time. I have cut back…sometimes stopped completely…but have always started up again. This time I am more serious about avoiding it completely. Aside from the health benefits, stopping has reducing the volume of our recycling! An element of self-discovery: just stopping is easier than gradually tapering when it comes to habitual food choices.

My 1st breakfast has been dark chocolate for years. The recent story about lead and cadmium in dark chocolate was an unpleasant surprise. My brand of choice was high in cadmium and had enough lead to be problematic for eating on a daily basis. So – I ate what I had and will not buy more. A positive aspect to eliminating this habitual food was that my 1st breakfasts have a bit more variety now…and usually include chia seeds (1 tablespoon in water to make swallowing supplements easier and provide a good amount of omega-3 oil).

Bread in the grocery store often has a lot of ingredients that don’t sound like food at all. Presumably most of them are preservatives. I found an organic brand that had ingredients that I recognize…the same ones I would use at home if I took the time to make bread…and won’t buy anything else from now on!

I’m not sure what the next round of changes will be; my focus is to let these changes become established as my ‘new normal’ as I gradually hone my diet toward healthier choices.

Our Nixa, MO Yard – March 2023

The bulbs are up in our Missouri yard but making slow progress toward blooming because we keep having cold days! There are irises from a previous owner; I added more last fall along with daffodils, crocus, and allium. There is something growing low and around the irises that is very green (I suspect it is a weed/invasive but I am leaving it alone because I like its greenness).

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The hyacinths are up and one tried to bloom. Most are still waiting to raise their buds above their leaves.

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I am waiting to cut the decorative grass until late May…give insects overwintering there a chance to hatch and provide food for nesting birds.

The robins are back, of course. They don’t come to our feeder (they are not seed-eaters), but they are in our yard finding food – a good indicator that the yard might not be overwhelmed with chemicals. I am keen to let it grow as naturally as possible since I want birds and pollinators to be healthy here.

I have a clearer view of the sky in this house than I did in Maryland; the trees are not as dense or large. There is a river birch and oak in our neighbor’s yard that might provide an opportunity for a picture of the moon resting on branches…but I didn’t catch it this month. My camera’s night scene setting did a relatively good job of getting the moon in focus (Canon PowerShot SX70-HS on a monopod…me standing in my yard a few feet from my home office).

Overall – I like our new location…and plan to spend a lot more time in the yard when the temperatures are a little warmer.

Gleanings of the Week Ending March 18, 2023

The items below were ‘the cream’ of the articles and websites I found this past week. Click on the light green text to look at the article.

A mixture of trees purifies urban air best – Conifers do a better job at gaseous components of pollution…and they do it all year round; this is particularly important since pollution can be at its highest in winter. Broadleaved trees are more efficient at cleaning the air particles, perhaps because of their larger surface area.

Once the Callery pear tree was landscapers’ favorite – now states are banning this invasive species and urging homeowners to cut it down – Back in the 1980s, the neighborhood I lived in organized to plant Branford pears along our streets. The neighborhood I moved to in the mid-1990s had mature Bradford pears; they were knocked down by Hurricane Isabel in 2003 (the trunk of the one in our neighbor’s yard broke close to the ground with a loud crack) and not re-planted. My neighborhood in Missouri was built in the late 1990s and there are some mature trees near the entrance.

Assessing the risk of excess folic acid intake – Too much or too little of a good thing (folic acid) may not be such a good thing.

School choice proposals rarely go before voters – and typically fail when they do – Public schools have been the backbone of American greatness. How do parents make choices to do otherwise? I suspect that sometimes a Charter School that looks great turns out to be something completely opposite because it is so difficult for individuals to gather enough information to evaluate a school. So - why are legislatures keen to support non-public schools?

The East Coast Whale Die-Offs: Unraveling the Causes – There have been headlines on this as a new challenge; this article includes some data collected so far. There have been periodic whale strandings earlier (back in 2016-2017) too. Almost all the carcasses this winter in New York and New Jersey had clear signs of vessel strike and many were juveniles. It appears that the feeding areas for whales have shifted due to warmer water and that shift has put them in areas with more ships (i.e., ports of New York, New Jersey, and Philadelphia).

Mary Wollstonecraft: an introduction to the mother of first-wave feminism – A little history…but not just about feminism. “Liberation from oppression means being able to define ourselves and the direction of our lives. And this requires access to the intellectual resources and knowledge needed to develop independence of mind. This is Wollstonecraft’s most important message, and one that should speak to everyone regardless of gender.”

Cornell Study Finds Solar Panels Help Crops Grow & Crops Help Solar Panels Last Longer – Not all crops can grow under solar panels but enough of them do (like tomatoes and soybeans) that there is no reason for solar panels to reduce farmland!

Global warming is changing Canada’s boreal forest and tundra – It’s complex. In general, as temperatures warm, trees will colonize further north…but not at uniform rates in all regions.

Greater gender equity helps both women and men live longer – The study looked at 156 countries between 2010 and 2021 to assess the gender gap in life expectancy around the globe. The three dimensions included in the study were political, economic, and educational. Of the three, education has the strongest association with longer life expectancy. The study authors summarize: “the evidence demonstrates that enhancing women's representation across multiple sectors contributes to wealthier and, hence, healthier societies for all."

Less Than 1 Percent of People Globally Breathing Safe Levels of Pollution, Study Finds – Focusing on particulate pollution: particulate pollution has fallen in Europe and North America over the past two decades, but risen in sub-Sharan Africa, India, China, Southeast Asia, Australia, New Zealand, Latin America, and the Caribbean. (see Lancet article with maps here).

Gleanings of the Week Ending March 11, 2023

The items below were ‘the cream’ of the articles and websites I found this past week. Click on the light green text to look at the article.

800-year-old hoard unearthed in northern Germany – The picture of the earrings made me wonder how they were worn…and what stones once were held in the empty enclosures.

Firewood theft: The forests where trees are going missing – Evidently it is happening around the world…maybe caused by increasing heating costs and/or other fuels not available after a disaster or during a war.

Bald Eagles aren’t fledging as many chicks due to avian influenza – Oh no! I had gotten used to seeing bald eagles frequently near where I lived in Maryland. I had assumed that I didn’t see as many in Missouri because I didn’t know where to look – but it could have been that there are fewer birds to see anywhere.

New thought on Chaco Canyon Construction – A demonstration of how the timbers for building the complex structures at Chaco Canyon could have been carried the 60 miles from where the trees grew.

Sustainable process to produce vanillin from lignin makes further progress – Making the popular flavoring agent from lignin (a waste product from the wood pulping industry) rather a chemical process using petroleum.

Quilts from the Second World War tell the stories of the Canadian women who sewed them – A little Canadian history…the spirit of giving during a stressful time…sending artful warmth. Quilts have always appealed to me because they are functional art. My great-grandmother (in the US) made wedding quilts with/for her 5 daughters in the 1930s and 1940s…and now one of my sisters is talking about quilting being something she plans to do when she retires.

More Than Half Of New US Electricity Generating Capacity In 2023 Will Be Solar – Good! Evidently California and Texas are the states adding the most solar capacity.

Archaeologists Find Elite Residences at Mexico’s Chichén Itzá – Prior to this discovery, experts didn’t know any residential structures! What they found was a complex…two houses and a palace.

Air pollution speeds bone loss from osteoporosis – A study of a diverse cohort of over 160,000 postmenopausal women. The study found that nitrogen oxides are a major contributor to bone damage and that the lumbar spine is one of the most susceptible sites to this damage. This is another reason to improve air quality!

Photography In the National Parks: Capturing Atmospheric Phenomena – Being in the right place…noticing atmospheric phenomenon…and capturing the image. It reminded me of a trip we made back in 2007 to Cumberland State Park in Kentucky where we saw a moonbow; maybe we should go again!