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Vol. 197 No. 11 Read Digital Issue Archives

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More Stories from the June 20, 2020 issue

  1. illustration of astronaut standing outside a lunar base
    Chemistry

    Astronauts may be able to make cement using their own pee

    Lunar dust and a compound found in urine could be used to build future dwellings on the moon, a new study finds.

    By
  2. one-celled algae with flagella
    Life

    Algae use flagella to trot, gallop and move with gaits all their own

    Single-celled microalgae, with no brains, can coordinate their “limbs” into a trot or fancier gait.

    By
  3. coronavirus global graphic
    Health & Medicine

    Is the coronavirus mutating? Yes. But here’s why you don’t need to panic

    Some studies claim there are new strains of the coronavirus, but lab experiments are needed to see if mutations are changing how it infects cells.

    By
  4. Malaria parasites
    Humans

    Malaria parasites may have their own circadian rhythms

    Plasmodium parasites don’t depend on a host for an internal clock, studies suggest.

    By
  5. Acropora corals in New Caledonia
    Life

    Neon colors may help some corals stage a comeback from bleaching

    When some corals bleach, they turn bright colors. Stunning hues may be part of a response that helps the corals recover and reunite with their algae.

    By
  6. Black hole ripping star apart illustration
    Physics

    A star shredded by a black hole may have spit out an extremely energetic neutrino

    A star’s fatal encounter with a black hole might have produced a neutrino with oomph.

    By
  7. bumblebee
    Life

    Pollen-deprived bumblebees may speed up plant blooming by biting leaves

    In a pollen shortage, some bees nick holes in tomato leaves that accelerate flowering, and pollen production, by weeks.

    By
  8. artificial eyeball illustration
    Tech

    A new artificial eye mimics and may outperform human eyes

    A new artificial eyeball boasts a field of view and reaction time similar to that of real eyes.

    By
  9. artist's illustration of a spiral galaxy called the Wolfe Disk
    Astronomy

    The oldest disk galaxy yet found formed more than 12 billion years ago

    A spinning disk galaxy similar to the Milky Way formed just 1.5 billion years after the Big Bang, much earlier than astronomers thought was possible.

    By
  10. lithium atoms confined in lasers
    Quantum Physics

    Physicists exploit a quantum rule to create a new kind of crystal

    Cold atoms can form crystals as a result of the Pauli exclusion principle.

    By
  11. Mauna Kea volcano
    Earth

    Long-dormant volcano Mauna Kea has been quietly grumbling for decades

    Small, periodic earthquakes have happened every seven to 12 minutes for decades, but aren’t reason for alarm, a new study finds.

    By
  12. Falcon 9 launch
    Space

    SpaceX’s astronaut launch marks a milestone for commercial spaceflight

    Two NASA astronauts aboard the privately built Crew Dragon capsule are the first to be sent into orbit from U.S. soil since 2011.

    By
  13. four brightly colored, fuzzy-looking critters
    Animals

    New species of scaly, deep-sea worms named after Elvis have been found

    A genetic analysis sheds new light on funky scale worms with glittery, scales reminiscent of sequins on the “The King’s” iconic jumpsuits.

    By
  14. The Scream painting
    Chemistry

    Moisture, not light, explains why Munch’s ‘The Scream’ is deteriorating

    Edvard Munch’s 1910 “The Scream” is famous for its loud colors. New insight into paint preservation could keep those pigments from fading out.

    By
  15. Peruvian man walking up cobblestone path
    Humans

    A gene variant partly explains why Peruvians are among the world’s shortest people

    A gene variant reduces some Peruvians’ height by about 2 centimeters, on average, the biggest effect on stature found for a common variation in DNA.

    By
  16. Ol Doinyo Lengai
    Anthropology

    Africa’s biggest collection of ancient human footprints has been found

    Preserved impressions in East Africa offer a glimpse of ancient human behavior.

    By