Search Results for: mutations
77 results
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AnimalsPoor Devils: Critters’ fights transmit cancer
Tasmanian devils transmit cancer cells when they bite each other during routine squabbles, producing lesions that are often fatal.
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Animals
Dangerous Times: Guppies don’t follow rules for old age
A study of wild guppies suggests that life in a dangerous place does not automatically push evolution toward rapid aging as previously thought.
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Animals
Retaking Flight: Some insects that didn’t use it didn’t lose it
Stick insects may have done what biologists once thought was impossible: lose something as complicated as a wing in the course of evolution but recover it millions of years later.
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Animals
Leave It to Evolution: Duplicated gene aids odd monkey diet
A duplicated gene that has rapidly evolved helps certain monkey species thrive on a diet of leaves.