Vol. 202 No. 11
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More Stories from the December 17, 2022 issue

  1. Health & Medicine

    2022 was the year long COVID couldn’t be ignored

    Long covid’s heavy toll grew clearer as millions of people reported lingering symptoms, and scientists and doctors looked for treatments.

  2. Health & Medicine

    How 4 major coronavirus tools impacted the pandemic in 2022

    During the third year of the pandemic, young kids got vaccines, a new booster shot came along, the use of at-home tests soared and Paxlovid became widely available.

  3. Humans

    The world population has now reached 8 billion

    In a first, the global population surpassed this milestone on November 15, according to a projection from the United Nations.

  4. Health & Medicine

    Here’s how mysterious last-resort antibiotics kill bacteria

    Scientists are finally getting a grip on how a class of last-resort antibiotics works — the drugs kill bacteria by crystallizing their membranes.

  5. Health & Medicine

    This child was treated for a rare genetic disease while still in the womb

    Babies born with infantile-onset Pompe disease typically have enlarged hearts and weak muscles. But 1-year-old Ayla has a normal heart and walks.

  6. Climate

    Greenland’s frozen hinterlands are bleeding worse than we thought

    An inland swath of the Northeast Greenland Ice Stream is accelerating and thinning. It could contribute much more to sea level rise than estimated.

  7. Physics

    Zapping tiny metal drops with sound creates wires for soft electronics

    Wearable medical devices and stretchable displays could benefit from a way to use high-frequency sound to create liquid metal wires.

  8. Neuroscience

    New brain implants ‘read’ words directly from people’s thoughts

    In the lab, brain implants can translate internal speech into external signals, technology that could help people who are unable to speak or type.

  9. Ecosystems

    Tiger sharks helped discover the world’s largest seagrass prairie

    Instrument-equipped sharks went where divers couldn’t to survey the Bahama Banks seagrass ecosystem.

  10. Planetary Science

    The pristine Winchcombe meteorite suggests that Earth’s water came from asteroids

    Other meteorites have been recovered after being tracked from space to the ground, but never so quickly as the Winchcombe meteorite.

  11. Archaeology

    Some Maya rulers may have taken generations to attract subjects

    Commoners slowly granted authority to kings at the ancient Maya site of Tamarindito, researchers suspect.

  12. Humans

    This ancient Canaanite comb is engraved with a plea against lice

    The Canaanite comb bears the earliest known instance of a complete sentence written in a phonetic alphabet, researchers say.