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Early in evolution, we animals lost the ability to manufacture nine of the 20 building blocks needed to make proteins. Herbivores evolved an impressive array of tricks to ensure their dietary needs are met.
In polar bears, dolphins, baboons and more, molecular signatures of aging are changing how conservationists assess population health, resilience and risk
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.
North America’s largest bird disappeared from the wild in the late 1980s. Reintroduction work in the United States and Mexico has brought this huge vulture back to the skies. This is the story of its comeback.
Scientists are seeing signs of resistance to the infections that have been wiping out the world’s amphibian populations — and developing strategies to aid in the fight Down Under
Despite increasing protection measures, these fish are among the world’s most endangered animals. New tests to detect species being traded, as well as population studies, aim to help save them.
An independent scientist working with the Inuit has unraveled many mysteries of the one-tusked ‘unicorn of the sea’
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