This week, researchers reported that mild dietary stress supports healthy aging. Engineers created artificial neurons that can communicate directly with living cells. And dark energy observations ...

Birds across the planet share a learned warning cry that may echo the origins of language itself. Bird species that live ...

More than 20 species of bird around the world use a similar “whining” alarm call to warn birds like cuckoos are around. The call seems to be understood across species, and its specific use hints at ...