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In a study of 6.5 million children in Brazil, higher temperatures were associated with worse nutrition outcomes, especially in vulnerable groups.

With half a beak, Bruce has developed an innovative fighting style that has won the kea top status in his flock, videos and documented interactions reveal.

The vaccine candidate is the furthest any shot has gotten since the last one was pulled in 2002. Scientists are testing other ways to block infection.

Editor in chief Nancy Shute discusses the fascinating world of constructed languages, our behind-the-scenes look at a vast science museum collection, and how some mathematicians are embracing AI to check complex proofs.

Pacific pocket mice are geographically isolated, but the species may retain the genetic diversity needed to adapt to climate change.

Linguists can mix, match or even break the rules of real-world languages to create interesting imaginary ones.

A study finds that less than half of surveyed parents know the legal age, 21, to buy cigarettes, vapes, nicotine pouches and other tobacco products.

A neglected force produced by neutrinos and other particles helps atomic physics measurements align with predictions of the standard model.

After a 10-year effort, physicists got a value for "Big G" that does not settle the debate over one of nature's hardest numbers to nail down.

The strangler fig is a keystone species in the tropics, providing food and shelter, and a place to poop for 17 different mammal species.