Vol. 194 No. 2 Read Digital Issue Archives

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More Stories from the July 21, 2018 issue

  1. teens
    Health & Medicine

    The number of teens who report having sex is down

    About 40 percent of high school students are having sex, the lowest amount in the last three decades.

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  2. Pillars of Creation
    Astronomy

    Magnetic fields may be propping up the Pillars of Creation

    Scientists made a map of the magnetic field within the Pillars of Creation, a star-forming area depicted in an iconic Hubble Space Telescope image.

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  3. mind-control robot
    Tech

    With this new system, robots can ‘read’ your mind

    Giving robots instructions via brain waves and hand gestures could help the machines operate more safely and efficiently.

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  4. a giant clam
    Animals

    How a squishy clam conquers a rock

    Old boring clam research is upended after 82 years.

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  5. four cups of coffee
    Life

    Here’s how drinking coffee could protect your heart

    Coffee’s heart-healthy effects rely on boosting cells’ energy production, a study in mice suggests.

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  6. general relativity
    Physics

    Einstein’s general relativity reigns supreme, even on a galactic scale

    Scientists have made the most precise test of Einstein’s theory of gravity at great distances.

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  7. mouse embryonic stem cells
    Life

    It may take a village (of proteins) to turn on genes

    Clusters of proteins transiently work together to turn on genes, new microscopy studies of live cells suggest.

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  8. gibbon
    Anthropology

    A 2,200-year-old Chinese tomb held a new gibbon species, now extinct

    Researchers have discovered a new gibbon species in an ancient royal Chinese tomb. It's already extinct.

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  9. brain scan of cerebral atrophy
    Health & Medicine

    New studies add evidence to a possible link between Alzheimer’s and herpesvirus

    Researchers saw higher levels of herpesvirus in the brains of Alzheimer’s patients, which may contribute to plaque formation.

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  10. Zika virus
    Life

    Zika gets the most extreme close-up of any flavivirus

    The closest look yet at Zika virus may reveal some vulnerabilities.

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  11. MRI images
    Health & Medicine

    Poliovirus treatment helped patients with deadly brain tumors live longer

    A genetically modified poliovirus appears to help fight brain cancer, a small, early-stage clinical study suggests.

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  12. rover on Mars surface
    Planetary Science

    Mars got its crust quickly

    The Martian crust had solidified within 20 million years of the solar system’s formation.

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  13. syringe
    Neuroscience

    A brain chemical tied to narcolepsy may play a role in opioid addiction

    Long-term use of opioids such as heroin is linked to having more brain cells that release a chemical that regulates wakefulness and arousal.

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  14. Parker probe illustration
    Astronomy

    NASA’s Parker probe is about to get up close and personal with the sun

    The Parker Solar Probe is about to make a historic voyage to touch the sun.

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  15. a bee on a flower
    Animals

    Why humans, and Big Macs, depend on bees

    Thor Hanson, the author of Buzz, explains the vital role bees play in our world.

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  16. IceCube Neutrino Observatory
    Particle Physics

    50 years ago, neutrinos ghosted scientists

    In the last half-century, neutrino detectors have spotted particles cast out by the sun, supernova 1987A and a supermassive black hole.

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