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  1. A gecko standing on a mossy surface, with a yellowish snout and striped tail

    An agile gecko found in India named after the legendary Jackie Chan

    A hard-to-catch gecko species is named after martial artist Jackie Chan. Skin patterns, like one resembling a galaxy, inspire other newfound geckos’ names.

  2. Elementary school student receiving a COVID-19 test from a person wearing a mask and gloves
    Health & Medicine

    COVID-19 testing in schools works. So why aren’t more doing it?

    School COVID-19 testing programs can keep kids in class and safe, but face challenges ranging from deciding on a testing strategy to parental buy-in.

  3. illustration of a clocks floating across the sky at different heights showing different times

    An atomic clock measured how general relativity warps time across a millimeter

    A record-breaking result reveals the precision achievable by atomic clocks, letting researchers detect slightly faster ticking over a tiny height change.

  4. illustration of the Lucy spacecraft approaching an asteroid

    5 cool things to know about NASA’s Lucy mission to the Trojan asteroids

    NASA’s Lucy is the first spacecraft to head to the two giant clumps of space rocks that tag along in Jupiter’s orbit.

  5. four barnacles on the surface of a crab carapace

    Barnacles are famed for not budging. But one species roams its sea turtle hosts

    Once settled and glued to the substrate, adult barnacles stay put. But turtle barnacles upend this trend, sliding slowly across their reptilian rides.

  6. image of earthshine

    Earth is reflecting less light. It’s not clear if that’s a trend

    A decrease in Earth’s reflectance shows our planet is absorbing more solar radiation, but it’s not clear if the trend will last.

  7. white dwarf star illustration

    A Jupiter-like planet orbiting a white dwarf hints at our solar system’s future

    A new planet is the first ever discovered that is orbiting a white dwarf and resembles Jupiter in both its mass and its distance from its star.

  8. a jaguar swimming in water

    Huge numbers of fish-eating jaguars prowl Brazil’s wetlands

    Jaguars in the northern Pantanal ecosystem primarily feed on fish and caiman, living at densities previously unknown for the species.

  9. Women looking at an old photograph

    Nostalgia may have bona fide benefits in hard times, like the pandemic

    Once described as a disease, nostalgia’s reputation is much improved. Researchers hope to develop mental health therapies that trigger these memories.

  10. illustration of a white dwarf star and a red dwarf star in the binary star system AE Aquarii

    The fastest-spinning white dwarf ever seen rotates once every 25 seconds

    A white dwarf star that spins every 25 seconds owes its record-breaking rotation rate to a companion star dumping gas onto it.

  11. a young woman working at a McDonald's restaurant
    Science & Society

    Methods of getting results from real-world experiments win 2021 economics Nobel

    David Card, Joshua Angrist and Guido Imbens share the Nobel Memorial Prize in Economic Sciences for developing a science of naturally occurring social studies.

  12. an ancient burned tobacco seed shown from three angles

    The earliest evidence of tobacco use dates to over 12,000 years ago

    Burned seeds at an archaeological site in Utah hint at tobacco’s popularity long before it was domesticated.