About half of U.S. adults alive today were exposed to harmful levels of lead as children from the burning of leaded gasoline, according to a new study, which estimates that lead contamination has lowered Americans’ IQ scores by more than two points on average.
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New Maps Show Airplane Contrails Over the U.S. Dropped Steeply in 2020
As Covid-19’s initial wave crested around the world, travel restrictions and a drop in passengers led to a record number of grounded flights in 2020.
Global Warming Projected to Increase Health Burden From Hyponatremia
Global warming is likely to increase the number of people requiring hospitalization due to critically low sodium levels in the blood, a condition known as hyponatremia.
The Secret to Longevity? Ask a Yellow-Bellied Marmot
What if you were told there was a completely natural way to stop your body from aging?
Tire Dumps and Aging Mattresses May Soon Be Relics of the Past
Despite research and policy efforts, recycling initiatives have skidded on more complex materials like tires and mattresses, filling dumps and natural land across the country.
For Tadpoles, What’s in Their Gut May Be Key to Enduring Climate Change
In a warming world, animals could live or die by what’s in their gut.