Vol. 194 No. 4
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More Stories from the August 18, 2018 issue

  1. a child playing with blocks on the floor

    The right mix of gut microbes relieves autism symptoms in the long run

    Replacing missing gut microbes improves autism symptoms in children even two years later.

  2. wildfire

    Wildfires are making extreme air pollution even worse in the northwest U.S.

    America’s air is getting cleaner — except in places that are prone to wildfires.

  3. Jupiter moons
    Planetary Science

    Jupiter has 12 more moons than we knew about — and one is bizarre

    Astronomers found a dozen previously unknown moons of Jupiter, and one may be a remnant of a larger moon that was all but ground to dust.

  4. Neptune

    Move over, Hubble. This sharp pic of Neptune was taken from Earth

    A new strategy at the Very Large Telescope lets astronomers take space telescope–quality pictures from the ground.

  5. robot catching a cephalopod

    New ‘Poké Ball’ robot catches deep-sea critters without harming them

    A machine that gently catches and releases animals underwater could help researchers take a more detailed census of the deep sea.

  6. an illustration of a neutron being blasted from a blazar
    Particle Physics

    One particle’s trek suggests that ‘spacetime foam’ doesn’t slow neutrinos

    Neutrinos and light travel at essentially the same speed, as predicted.

  7. Algeria

    You’re living in a new geologic age. It’s called the Meghalayan

    The newly defined Meghalayan Age began at the same time as a global, climate-driven event that led to human upheavals.

  8. electronic spray illustration

    A new kind of spray is loaded with microscopic electronic sensors

    For the first time, researchers have built circuits on microscopic chips that can be mixed into an aerosol spray.

  9. Larsen C

    The giant iceberg that broke from Antarctica’s Larsen C ice shelf is stuck

    A year ago, an iceberg calved off of the Larsen C ice shelf. The hunk of ice hasn’t moved much since, and that has scientists keeping an eye on it.

  10. leech
    Health & Medicine

    What leech gut bacteria can tell us about drug resistance

    A bacteria found in leeches becomes drug resistant after only a small exposure to common antibiotics.

  11. taking blood pressure
    Health & Medicine

    Lowering blood pressure may help the brain

    Aggressively treating high blood pressure had a modest positive effect on the development of an early form of memory loss.

  12. human mouth

    Here’s why wounds heal faster in the mouth than in other skin

    Wounds in the mouth heal speedily thanks to some master regulators of immune reactions.

  13. large circular semiconductor
    Particle Physics

    A new quasiparticle lurks in semiconductors

    Strange entities called collexons hint at undiscovered physics among interacting subatomic particles in a semiconductor.

  14. supermassive black hole illustration

    A star orbiting a black hole shows Einstein got gravity right — again

    For the first time, general relativity has been confirmed in the region near a supermassive black hole.

  15. amoeba

    How a slime mold near death packs bacteria to feed the next generation

    Social amoebas that farm bacteria for food use proteins to preserve the crop for their offspring.

  16. lone star tick
    Health & Medicine

    This tick may play a part in gumming up your arteries

    Having antibodies to a sugar tied to red-meat allergy is associated with more plaque in the artery walls, a small study shows.

  17. hurricane eye

    In 1968, scientists tried taming hurricanes

    For over 20 years, the U.S. government tried to subdue hurricanes through cloud seeding, with mixed results.

  18. Jennifer Macalady & Laurie Santos
    Science & Society

    Scientists-turned-students guide viewers through ‘The Most Unknown’

    In The Most Unknown, a film on Netflix, a research round robin leads to fascinating discussions about scientific questions.