Search Results for: mutations

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77 results
  1. Animals

    Poor 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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  2. 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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  3. Animals

    Life Without Sex

    The search is on for creatures that have evolved for eons without sex.

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  4. 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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  5. 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.

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