Animals

  1. Genetics

    Dog clone genome nearly identical to donor DNA

    The genetic material of Snuppy and of his donor, Tai, is nearly identical.

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  2. Environment

    Feedback

    Readers respond to "Solving soot," trade-offs of horn size for male Soay sheep and the huge galactic explosion story from 50 years ago.

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  3. Life

    Good news for giant pandas

    The animal’s immune system has higher than expected genetic diversity, which could lead to better breeding programs.

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  4. Animals

    The colorful lives of squid

    Your calamari, it turns out, may have come from a temporary transvestite with rainbows in its armpits.

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  5. Animals

    Mama bird tells babies to shut up, danger is near

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  6. Animals

    Amphibian killer forces immune-cell suicides

    Fungal menace to frogs and their kin shuts down key parts of the animals’ defenses.

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  7. Animals

    Eliminating prairie dogs can lead to desertification

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  8. Animals

    Young chimps catch human yawns

    Juvenile chimps yawn contagiously when they see humans do it, a response that could signal the animals are developing empathy.

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  9. Animals

    Lurking males lead to hard-to-fertilize mouse eggs

    Mixed-sex society raises resistance to sperm in what may be a long-running arms race between the sexes over fertilization.

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  10. Animals

    Dogs pick up robots’ social cues

    Dogs were more likely to pay attention to a PeopleBot robot — a machine with a laptop head and Mickey Mouse–style hands — after watching it walk, talk and shake hands with humans.

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  11. Genetics

    Male zebrafish sex tool stops fin regeneration

    Tiny, spiked structures on the pectoral fins of male zebrafish help them hold females steady while mating. However, the structures produce a protein that seems to hinder the fish’s ability to regenerate fins.

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  12. Animals

    Rhino beetle horns come cheap

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