An artist's impression of a supernova exploding near the ancient EarthNASA/CXC/M. WeissAstrophysicists have taken a forensic approach to a cosmic mystery, tracing radioactive elements on the seafloor back to potential supernova explosions. Their findings suggest a possible link between these cosmic events and evolutionary changes in viruses within an African lake.The key evidence is...
The worm that the researchers studied and for which they sequenced the genome. It is a segmented worm that is abundant on the coasts of the UK and Europe. It lives inside a tube that it secretes itself burrowed in the sand. Credit: Chema Martin.For greater than 100 years, biologists have wondered why animals...
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