Humans

  1. Health & Medicine

    Risk of travelers to Olympics sparking new Zika outbreaks low

    Just four countries — Chad, Djibouti, Eritrea and Yemen — bear a substantial risk of bringing Zika virus home from the Olympics and having it spread, the CDC says.

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  2. Health & Medicine

    Still mysterious, aging may prove malleable

    Our editor in chief discusses the science of aging.

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  3. Life

    A healthy old age may trump immortality

    Despite disagreements about what aging is and isn't, scientists have reached a radical consensus: It can be delayed.

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  4. Neuroscience

    The brain’s blueprint for aging is set early in life

    The brain's decline may mirror its beginning, offering clues to aging.

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  5. Neuroscience

    Post-stroke shifts in gut bacteria could cause additional brain injury

    The gut’s microbial population influences how mice fare after a stroke, suggesting that poop pills might one day prove therapeutic following brain injury.

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  6. Health & Medicine

    Unprotected sex less risky if HIV-positive partner on antiretroviral therapy

    The risk of HIV transmission during unprotected sex drops drastically if the HIV-positive partner is taking antiretroviral therapy.

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  7. Anthropology

    Earliest evidence of monkeys’ use of stone tools found

    600- to 700-year-old nut-cracking stones from Brazil are earliest evidence that monkeys used tools.

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  8. Health & Medicine

    ‘Cracking the Aging Code’ tackles aging from evolutionary perspective

    In 'Cracking the Aging Code', theoretical biologist Josh Mitteldorf and writer Dorion Sagan take a different approach to the science of growing old.

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  9. Animals

    Documentary looks for meaning in Koko the gorilla’s life

    'Koko — The Gorilla Who Talks' documents the nearly 45-year relationship between researcher Penny Patterson and Koko, the subject of an ape sign language project.

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  10. Health & Medicine

    How one patient spread MERS to 82 people

    One person passed the Middle East respiratory syndrome virus to 82 others during an outbreak in South Korea in 2015.

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  11. Oceans

    Underwater city was built by microbes, not people

    Submerged stoneworklike formations near the Greek island of Zakynthos were built by methane-munching microbes, not ancient Greeks.

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  12. Life

    Artificial hearing has come a long way since 1960s

    Scientists envisioned artificial hearing 50 years ago. Today, they are working to make it superhuman.

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