Life

  1. Anthropology

    Kennewick Man’s DNA links him to present-day Native Americans

    Genetic analysis of Kennewick Man suggests that the ancient Pacific Northwest man was most closely related to modern Native Americans, not Polynesians.

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  2. Health & Medicine

    Curtailing calories on a schedule yields health benefits

    Eating an extreme low-calorie diet that mimics fasting just a few consecutive days a month may yield a bounty of health benefits, research suggests.

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  3. Animals

    Kangaroos are lefties

    Scientists find evidence of handedness in marsupials that walk on two, but not four, legs.

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  4. Genetics

    Ebola continues to shift, but grows no more fatal

    In the West African epidemic, Ebola evolved and spread quickly, but the virus is not becoming deadlier over time.

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  5. Animals

    Unpredictable egg scramble throws off parasitic parents

    Eggs of some species of warbler and weaver birds appear to have individual signatures, which can help distinguish them from the eggs of parasitic cuckoos.

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  6. Animals

    How mantis shrimps spar

    In ritualized combat between deadly mantis shrimp, blows count but don’t kill.

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  7. Animals

    One bold, misinformed spider slows a colony’s ability to learn

    Incorrect ideas prove more dangerous in bold velvet spiders than in shyer ones.

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  8. Animals

    Unpredictable egg scramble throws off parasitic parents

    Eggs of some species of warbler and weaver birds appear to have individual signatures, which can help distinguish them from the eggs of parasitic cuckoos.

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  9. Animals

    With Tasmanian devils gone, possums come down from the trees

    In areas where Tasmanian devils have largely disappeared, their prey is becoming more adventuresome, a new study finds.

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  10. Neuroscience

    Homunculus reimagined

    A new study pinpoints the part of the brain that controls the neck muscles, tweaking the motor homunculus.

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  11. Neuroscience

    Homunculus reimagined

    A new study pinpoints the part of the brain that controls the neck muscles, tweaking the motor homunculus.

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  12. Animals

    Moon jellies muscle their way to recovery

    Symmetrization, using rapid muscle movements to repair body symmetry, is the go-to healing mechanism for the limbed stage of moon jellyfish.

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