Vol. 201 No. 7
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cover of the April 9, 2022 issue

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More Stories from the April 9, 2022 issue

  1. Physics

    Physicists explain the mesmerizing movements of raindrops on car windshields

    Wind and gravity compete to make some raindrops go up while others slide down, a mathematical analysis suggests.

  2. Astronomy

    Some of the sun’s iconic coronal loops may be illusions

    Folds in the plasma that streams from the sun might trick the eye into seeing the well-defined arches, computer simulations of the solar atmosphere show.

  3. Tech

    50 years ago, the future of solar energy looked bright

    In the 1970s, scientists and engineers were coming around to the idea of “farming” the sun’s energy on a large scale.

  4. Animals

    The spongy moth’s new name replaces an ethnic slur

    The Entomological Society of America renamed Lymantria dispar the “spongy moth,” replacing its previous problematic common name, “gypsy moth.”

  5. Earth

    The mysterious Hiawatha crater in Greenland is 58 million years old

    An impact crater spotted in 2015 in Greenland is far too old to be connected to the Younger Dryas cold snap from 13,000 years ago, a study suggests.

  6. Paleontology

    Scientists are arguing over the identity of a fossilized 10-armed creature

    An ancient cephalopod fossil may be the oldest ancestor of octopuses, but the interpretation hinges on the identification of one feature.

  7. Health & Medicine

    A gene therapy for hemophilia boosts levels of a crucial clotting protein

    A one-time, gene-based treatment for hemophilia increased the amount of a necessary blood clotting protein in men with a severe form of the disease.

  8. Life

    Lithium mining may be putting some flamingos in Chile at risk

    Climate change and lithium mining are threatening the flooded salt flats that flamingos in Chile depend on, a study suggests.

  9. Genetics

    An extinct rat shows CRISPR’s limits for resurrecting species

    Scientists recovered most of the Christmas Island rat’s genome. But the missing genes signal a problem for using gene editing to de-extinct species.

  10. Astronomy

    Astronomers may not have found a sign of the universe’s first stars after all

    A new study of radio waves from early in the universe’s history finds no hint of the “cosmic dawn” claimed by an earlier study.

  11. Oceans

    Some deep-sea octopuses aren’t the long-haul moms scientists thought they were

    Off California’s coast, some octopuses lay eggs in the warmer water of geothermal springs in the “Octopus Garden,” speeding up their development.

  12. Astronomy

    Earth’s purported ‘nearest black hole’ isn’t a black hole

    A disputed multiple-star system doesn’t have a black hole, as once reported, but is actually a missing piece in binary star evolution.

  13. Animals

    How to make irresistible traps for Asian giant hornets using sex

    Traps baited with compounds found in the sex pheromone of hornet queens attracted thousands of males in China.

  14. Neuroscience

    A hit of dopamine sends mice into dreamland

    New results are some of the first to show a trigger for the mysterious shifts between REM and non-REM sleep in mice.