Life

  1. Life

    Imperfect mimics

    Reprogramming techniques may not produce exact embryonic stem cell replicas.

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  2. Life

    Lone Star cats rescue cousins in Sunshine State

    Florida panther numbers have tripled since the introduction of females from Texas injected vital genetic diversity, a new report says.

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  3. Life

    X-rays in 3-D show nanosized details

    A new X-ray microscope technique peers inside materials to reveal their inner nature.

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  4. Health & Medicine

    Main malaria parasite came to humans from gorillas, not chimps

    Using DNA from fecal samples, researchers show that the infection was not passed to Homo sapiens by its closest primate relative.

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  5. Health & Medicine

    Vital flaw

    Liver cells that inherit the wrong number of chromosomes often do just fine, and may even have some advantages.

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  6. Life

    Flies off-kilter

    In a newly described species, some males have one limb bigger than the other.

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  7. Planetary Science

    Life’s cold start

    Primordial molecules could have replicated themselves in a slushy place, new experiments suggest.

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  8. Life

    Minimolecule may explain how antidepressants work

    Research finds that Prozac increases levels of a microRNA and may explain why the drugs take several weeks to work.

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  9. Life

    Streetlights turn young duds into studs

    Nocturnal illumination starts youthful male blue tits chirping earlier in the morning, tempting the mates of their still-snoozing elders.

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  10. Agriculture

    A taste of the chocolate genome

    Competing teams have announced the impending completion of the cacao DNA sequence.

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  11. Life

    Environmental DNA modifications tied to obesity

    Chemical changes that affect gene activity could underlie many common conditions, a new study suggests.

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  12. Life

    Cuckoos thrown off by climate change

    With earlier springs, the birds are duping a different mix of adoptive parents into raising their young.

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