Tomatoes in the Galápagos are quietly de-evolving

On the younger, black-rock islands of the Galápagos archipelago, wild-growing tomatoes are doing something peculiar. They're shedding millions of years of evolution, reverting to a more primitive genetic state that resurrects ...

New viruses discovered in bat kidneys in Yunnan province

Researchers have discovered two new viruses in bats that are closely related to the deadly Nipah and Hendra viruses—pathogens that can cause severe brain inflammation and respiratory disease in humans.

Genetic code enables zebrafish to mend damaged organs

Zebrafish have the remarkable and rare ability to regrow and repair their hearts after damage. New research from Caltech and UC Berkeley has identified the circuit of genes controlling this ability and offers clues about ...

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