Biden administration must act fast to save migratory birds

On January 5, 2021, the day before the world watched in horror as the U.S. Capitol was assaulted, the Trump administration laid siege to the Migratory Bird Treaty Act. The revision is a major blow to conservation efforts, ...

Simulating evolution to understand a hidden switch

Computer simulations of cells evolving over tens of thousands of generations reveal why some organisms retain a disused switch mechanism that turns on under severe stress, changing some of their characteristics. Maintaining ...

Low genetic diversity in two manatee species off South America

Worldwide, marine megafauna are at risk of extinction due to climate change, habitat loss, pollution, overhunting, population fragmentation, and hybridization with related species in areas disturbed by humans. Genetic studies ...

Skinnier but resilient geese thriving in the high Arctic

The world is changing in dramatic ways, especially in the High Arctic. Climate change has meant that spring arrives earlier, but winters have become far more treacherous for Arctic animals that overwinter there, with more ...

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