Mammal ancestors’ shrinking inner ears may reveal when warm-bloodedness arose
Hot or not? Peeking inside an animal’s ear — even a fossilized one — may tell you whether it was warm- or cold-blooded. Using...
SCIENTIFIC NEWS
A new technology uses human teardrops to spot disease
Human tears could carry a flood of useful information. With just a few drops, a new technique can spot eye disease and even glimpse...
Dogs are great sniffers. A newfound nose-to-brain connection helps explain why
A dog’s brain is wired for smell. Now, a new map shows just how extensive that wiring is. Powerful nerve connections link the dog...
These huntsman spiders do something weird: live together as a big, happy family
How descendants of cannibals evolved abilities to share a home mostly without killing each other — never mind the rare oopsie snack — resonates...
The top side of an elephant’s trunk stretches more than the bottom
On a sunny day at Zoo Atlanta in 2020, Kelly the African bush elephant reached for a snack and revealed something strange. High-speed cameras...
Clouds in the Milky Way’s plasma bubbles came from the starry disk — and far beyond
Huge bubbles of plasma billowing out from the Milky Way’s center might contain scraps from all over the galaxy — and beyond. A new...
Underground heat pollution could be tapped to mitigate climate change
The secret to efficiently heating some buildings might lurk beneath our feet, in the heat that humans have inadvertently stored underground. Just as cities...
Here are experts’ answers to questions about COVID-19 vaccines for little kids
Four weeks ago, the U.S. Centers for Disease Control and Prevention signed off on COVID-19 vaccines for young children. Days later, doctors’ offices and...
A fast radio burst’s rapid, steady beat offers a clue to its cosmic origin
An unusual blast of radio waves from deep space had a sense of rhythm. Over the few seconds in December 2019 when the burst...
Do gophers farm roots? It’s not as clear as viral articles claim
Pocket gophers certainly don’t qualify as card-carrying 4-H members, but the rodents might be farming roots in the open air of their moist, nutrient-rich...
‘One step away from famine’: Inside Afghanistan’s hunger crisis 
Bangladesh: UNICEF chief calls for an end to child marriage 
Rule breaking by just a few people can be contagious 
Yemen war continues to force families from homes amid hunger and disease