All Stories

  1. Life

    Cell recount: People host far fewer germs

    Since the 1970s, microbiologists have been saying bacteria outnumber human cells in our bodies by about 10-to-1. A new analysis says that old number was a “fake” fact — and gross exaggeration.

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  2. Materials Science

    Wet suits with hair?

    The dense hair that keeps sea otters warm in frigid waters may inspire development of “furry” wet suits for scuba divers.

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  3. Chemistry

    Scientists Say: Solution

    In math, this is just the answer to your problem. In chemistry, this word means something else entirely.

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  4. Health & Medicine

    Explainer: What is skin?

    The body’s soft, outer armor contains three layers, each with its own important role to play.

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  5. Health & Medicine

    Minty fresh zits treatment?

    Some nontraditional acne treatments work at cleaning up pimples.

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  6. Health & Medicine

    The truth about zits

    A common bacterium called P. acnes usually helps keep the skin healthy. But under some conditions, and especially during puberty, it can trigger painful, embarrassing outbreaks of unsightly pimples.

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  7. Planets

    Beyond Pluto: A new 9th planet?

    A giant planet, perhaps 10 times Earth’s mass, may be orbiting the sun from a great distance. Its existence, orbit and size are all surmised, based on strange effects seen in objects within the distant Kuiper Belt.

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  8. Health & Medicine

    HIV testing remains low among teens

    HIV rates in people ages 13 to 24 are increasing, but few teens and young adults are being tested for the virus.

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  9. Climate

    2015 was really hot

    Spurred by global warming and a “super” strong El Niño, 2015 went into the books as the warmest year since record-keeping began — and that was 1880.

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  10. Genetics

    Behavior of genes could identify type of infection

    The behavior of hundreds of genes can identify a viral infection, a new study finds. That could help doctors determine treatment for a sick patient.

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  11. Animals

    Seals: Catching a ‘corkscrew’ killer

    Spiral wounds on dead seals led experts to blame boat propellers. But cameras exposed another source: One seal species was killing another.

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  12. Space

    An alarm system for Earth crashers

    The ATLAS telescope could be a last-minute warning system for asteroids just days away from hitting Earth.

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