Extreme heat is cutting the time people can safely be active outdoors
Heat and humidity now severely limit light physical activity for millions of people around the world, with older adults facing the …
Wild monkeys invaded Florida. Should people protect them?
A colony of African vervets in Dania Beach raises big questions about how humans can and should manage nonnative species.A colony o…
Yaks may hint at a way to treat brain diseases like MS
A genetic mutation tied to keeping the brain healthy at high altitudes may point to a way to repair nerve damage, experiments in mi…
A newfound blood biomarker may one day predict longevity
Levels of six RNA molecules in the blood ID’d older adults likely to survive two more years. Whether it will work for other peopl…
Why we fail to notice climate change
People quickly normalize extreme weather. Simple visuals highlighting abrupt change could help climate change break through our men…
A large fossil leg bone hints at T. rex’s origins, but scientists disagree
A new analysis of a large fossil shinbone suggests T. rex ancestors came from North America instead of Asia. Not everyone …
Why African striped mice can be the best of dads — or the worst
Environmental cues can flip a molecular switch in the brain, turning males from caregivers to killers.Environmental cues can flip a…
AI may be giving teens bad nutrition advice
AI-generated meal plans for fictional teens cut an entire meal’s worth of calories and carbs while overemphasizing protein and fa…
AI auto-complete may subtly shape views on social issues
People are increasingly using AI auto-complete features when writing. Unbeknownst to them, that feature may change how they think.P…
A strange ‘chirp’ in a brilliant stellar blast points to a magnetar
Superluminous supernovas are the brightest stellar explosions in the universe. Astronomers may have found a mechanism that can trig…