Vol. 202 No. 1
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More Stories from the July 2, 2022 issue

  1. Plants

    These are the first plants grown in moon dirt

    The first attempt to grow plants in Apollo samples from the moon shows the promise and potential struggles of farming in lunar soil.

  2. Chemistry

    Scientists made a Möbius strip out of a tiny carbon nanobelt

    A twisted belt of carbon atoms joins carbon nanotubes and buckyballs in the list of carbon structures scientists can create.

  3. Computing

    The world’s fastest supercomputer just broke the exascale barrier

    The Frontier supercomputer at Oak Ridge National Laboratory in Tennessee clocked in at more than 1.1 quintillion calculations per second.

  4. Climate

    Ancient penguin bones reveal unprecedented shrinkage in key Antarctic glaciers

    Thwaites and Pine Island glaciers are losing ice faster than any other time in the last 5,500 years. That history is written in bones and shells.

  5. Science & Society

    How having health care workers handle nonviolent police calls may impact crime

    A new study analyzes a Denver program that sends a mental health professional and EMT to handle trespassing and other minor crime offenses.

  6. Planetary Science

    Samples of the asteroid Ryugu are scientists’ purest pieces of the solar system

    Samples Hayabusa2 brought to Earth from asteroid Ryugu are far fresher than similar types of meteorites that scientists have found.

  7. Science & Society

    Growing wildfire threats loom over the birthplace of the atomic bomb

    Climate change is expected to make wildfires worse across much of the Southwest United States. A key nuclear weapons lab could be in the hot zone.

  8. Particle Physics

    How neutrinos could ensure a submarine’s nuclear fuel isn’t weaponized

    Nuclear submarines could be monitored with the help of neutrinos to ensure that the fuel isn’t diverted to nuclear weapons programs

  9. Anthropology

    A Denisovan girl’s fossil tooth may have been unearthed in Laos

    A molar adds to suspicions that mysterious hominids called Denisovans inhabited Southeast Asia's tropical forests.

  10. Animals

    An ‘acoustic camera’ shows joining the right boy band boosts a frog’s sex appeal

    Serenading with like voices may help male wood frogs woo females into their pools, analysis of individual voices in a frog choir shows.

  11. Earth

    50 years ago, a new theory of Earth’s core began solidifying

    In 1972, scientists proposed that Earth’s core formed as the planet came together. Fifty years later, that theory is generally accepted, though many mysteries about the core remain.

  12. Astronomy

    A newfound, oddly slow pulsar shouldn’t emit radio waves — yet it does

    The highly magnetic neutron star rotates three times slower than the previous record holder, challenging the theorical understanding of these objects.

  13. Anthropology

    A new origin story for domesticated chickens starts in rice fields 3,500 years ago

    Chickens, popular on today’s menus, got their start in Southeast Asia surprisingly recently, probably as exotic or revered animals, researchers say.