Gleanings of the Week Ending March 07, 2026

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.

2/20/2026 BBC How ultra-processed foods affect our gut microbiome - The additives added to processed food to keep it fresher for longer might be having an unexpected effect on the health of the microbes in our guts. Research carried out on both animals and humans appears to pinpoint a direct link between emulsifiers and ill health. One French study of more than 100,000 adults in 2024 found those who were more exposed to emulsifiers had a greater risk of type 2 diabetes. Another study of more than 90,000 adults found a potential link between emulsifiers and breast and prostate cancers.

2/20/2026 Smithsonian Magazine Researchers Retrieve the Deepest-Ever Rock Core from Beneath Antarctica’s Ice. It Holds Clues About the Earth’s Past—and Future - The 748-foot-long sediment core contains a record of roughly the past 23 million years, including periods when the planet’s surface temperature was hotter than it is today.

2/20/2026 National Parks Traveler Tidal Basin Gets Hundreds of New Cherry Trees - Paid for by a generous donation from the nation of Japan, the trees represent the most recent chapter in this remarkable cultural exchange dating back to Japan's original gift of cherry trees in 1912.

2/19/2026 Science Daily New sodium ion battery stores twice the energy and desalinates seawater - Being able to use sodium vanadate hydrate in salt water is a really exciting discovery, as it shows sodium-ion batteries could do more than just store energy -- they could also help remove salt from water. In the long term, that means we might be able to design systems that use seawater as a completely safe, free and abundant electrolyte, while also producing fresh water as part of the process.

2/18/2026 The Guardian Hazardous substances found in all headphones tested by ToxFREE project - Bisphenol A (BPA) appeared in 98% of samples, and its substitute, bisphenol S (BPS), was found in more than three-quarters. Synthetic chemicals used to stiffen plastic, BPA and BPS mimic the action of estrogen inside organisms, causing a range of adverse effects including the feminization of males, early onset puberty in girls, and cancer. Previous studies have shown that bisphenols can migrate from synthetic materials into sweat, and that they can be absorbed through the skin. Given the prolonged skin contact associated with headphone use, dermal exposure represents a relevant pathway, and it is reasonable to assume that similar migration of BPA and its substitutes may occur from headphone components directly to the user’s skin.

2/17/2026 The Conversation Air pollution may directly contribute to Alzheimer’s disease – U.S. researchers tracked nearly 28 million older adults over six years nationwide. They found that those exposed to higher levels of fine particulate air pollution were more likely to develop Alzheimer’s. The US study used Medicare insurance claims to confirm Alzheimer’s diagnoses and area data by postcode for fine particle pollution levels. It also looked at other factors that could explain the link, such as the proportion of smokers or overweight people living in more or less polluted areas.

1/15/2026 Science Daily Scientists question the safety of BPA-free packaging - BPA-free is an incredibly misleading label. It usually means one bisphenol has been swapped for another, and there are more than 200 of them. Some may be just as harmful, or even worse. We need to test these compounds before they're widely adopted, not after.

2/11/2026 Archaeology Magazine What Caused Ancient People to Abandon a Fruitful Bison Hunting Site? - For around 700 years, Native people of the American Great Plains hunted bison at a site in central Montana that archaeologists call Bergstrom. Then, around 1,100 years ago, humans abandoned the site even though bison remained abundant in the area. Researchers discovered that drought caused the water supply to process the animals at the site dried up…forcing the hunters to move away.

2/23/2026 Planetizen California Seals 21 Urban Oil Wells in South LA After Decades of Activism – There are too many stories like this – why do we ever trust the oil companies to not walk way and leave a toxic mess? I’m glad the state is stepping in…but the companies that made money from the site over the years need to be held financially accountable.

2/23/2026 Science Daily Babies exposed to far more “forever chemicals” before birth than scientists knew - By using advanced chemical screening on umbilical cord blood, scientists detected 42 different PFAS compounds, including many that standard tests do not routinely check for. These long lasting chemicals are found in common products like nonstick cookware, food packaging, and stain resistant fabrics, and they can build up in the body over time. The study helps show that prenatal PFAS exposure is more complex and widespread than earlier studies suggested

Gleanings of the Week Ending December 27, 2025

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. (Note: I have changed the format to include the date and source of the article.)

12/4/2025 American College of Emergency Physicians Opinion: Physicians Must Reduce Plastic Waste - Waste audits in the emergency departments (EDs) of Kent Hospital in Warwick, Rhode Island, and Mass General Hospital in Boston found that four pounds of waste is generated per patient, per encounter, and about 60 percent of the waste is plastic…. If we consider our plastic footprint with everything we are doing, we can adjust our habits to give our patients and our world healthier care.

11/19/2025 Consumer Reports Consumer Reports announces winners of its Microplastics Detection Challenge - Contest challenged participants to develop simple and inexpensive at-home tests to enable people to detect microplastics in their food. 

12/12/2025 Yale Environment 360 Dozens of Countries See Their Economy Grow as Emissions Fall - Historically, more industry meant burning more fossil fuels. But renewable energy has made it possible to generate more wealth without producing more emissions. The U.S. and most of Europe, have completely decoupled growth from emissions over the last decade. Fortunes rose, while emissions fell. Together, these countries account for 46 percent of the global economy.

12/12/2025 Science Daily Scientists find dark chocolate ingredient that slows aging - Scientists have uncovered a surprising link between dark chocolate and slower aging. A natural cocoa compound called theobromine was found in higher levels among people who appeared biologically younger than their real age.

12/11/2025 Clean Technica Drones, Diesel, & Policy: Two Countries, Two Agricultural Futures - China’s rapid adoption of agricultural drones is one of the most interesting examples of technological divergence between two major food producers. The contrast is striking. Chinese pilots are now treating an amount of land with drones each year that is larger than the total farmland base, which means multiple drone passes on the same fields to handle weeds, pests, fertilizer and sometimes seeding. At the same time, the United States is advancing a policy coalition that targets DJI with composite national security concerns and proposes to ban the most widely used spray drones in the country. This fight matters because the ban would remove the only cost effective and widely deployed option for seeding and spraying. It would also shut down a path for lower diesel use and lower chemical demand in a sector that does not have many easy ways to cut operating costs.

12/11/2025 Smithsonian Magazine Gas Stoves Are Poisoning Americans by Releasing Toxic Fumes Associated with Asthma and Lung Cancer - A new study, published this month in the journal PNAS Nexus, suggests that gas stoves are the main source of indoor nitrogen dioxide pollution in the United States, responsible for more than half of some Americans’ total exposure to the gas. The gas can irritate airways and worsen or even contribute to the development of respiratory diseases like asthma. Children and older individuals are particularly susceptible to its effects.

12/7/2025 Cool Green Science Family, Survival and Change: The Secret Life of the Red-cockaded Woodpecker - In the heart of the longleaf pine forests of the southern United States, a quiet drama plays out each spring. Inside tiny nest cavities high into pines, red-cockaded woodpecker (RCW) parents work tirelessly to feed their chicks. They live in family groups where everyone, even older offspring, helps care for the young. That’s what makes them special; they’re cooperative breeders, families bound not just by instinct, but by teamwork. These woodpeckers remind us that recovery isn’t just about numbers. It’s about understanding the subtle, interconnected forces that make life possible in the first place. 

11/30/2025 The Conversation 56 million years ago, the Earth suddenly heated up – and many plants stopped working properly - Plants can help regulate the climate through a process known as carbon sequestration. However, abrupt global warming may temporarily impact this regulating function. What happened on Earth 56 million years ago highlights the need to understand biological systems’ capacity to keep pace with rapid climate changes and maintain efficient carbon sequestration.

12/8/2025 The Planetary Society The year in pictures 2025 - This collection of images, going as far back as late November 2024, captures some of the highlights of humanity’s exploration of space over the past year.

11/6/2025 The Scientist What Happens When a Fly Lands on Your Food? - How many microbes does a single fly typically carry? How many microbes does it take to get people sick?