Doctors and scientists are waging a shadow war in the besieged nation: bacteria that are resistant to multiple antibiotics. The deadly bugs are now knocking on western Europe’s door.
In polar bears, dolphins, baboons and more, molecular signatures of aging are changing how conservationists assess population health, resilience and risk
Mexican tetras that got swept into pitch-black caverns had no use for the energetically costly organs. They lost their eyes in multiple ways — and gained some nifty traits too.
Cranes, sandpipers, ducks, geese and many other waterbirds have lost essential rest stops along their seasonal migration routes. Bird-friendly agriculture can assist in filling the gaps.
Some scientists propose that in the beginning, geochemistry gave way to biochemistry — with no genetic material necessary. Only later did RNA and DNA appear.
UCLA’s Susan Perry has devoted decades to studying the fast-motion life of these New World primates and learning how the young acquire the skills they need to thrive
