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4,973 results
  1. A beaver in a cage, partially submerged in water and surrounded by grass
    Animals

    Relocated beavers helped mitigate some effects of climate change

    Along a river in Washington state, the repositioned beavers built dams that lowered stream temperatures and boosted water storage.

    By Richard Kemeny
  2. Robin Wordsworth stands in front of a martian meteorite exhibit wearing a gray sweater and glasses
    Planetary Science

    Robin Wordsworth re-creates the atmosphere of ancient Mars

    Robin Wordsworth studies the climates of Mars and other alien worlds to find out whether they could support life.

    By Nikk Ogasa
  3. a woman spots a humpback whale tail
    Animals

    ‘Fathom’ seeks to unravel humpback whales’ soulful songs

    The film ‘Fathom’ on Apple TV+ follows the quest of researchers on the ocean’s surface to decipher the eerie symphony of humpback whale calls below.

    By Jake Buehler
  4. An illustration of a man blowing his nose on a pink background with a giant box of tissues, red ski cap, and pills in the middle ground.
    Health & Medicine

    Why it’s easier to catch a cold, the flu or COVID in the winter

    Low humidity protects viruses and cold temperatures may blunt some immune responses, making viral infections like colds, flu and COVID-19 more likely.

    By Tina Hesman Saey
  5. underwater photo of an octopus garden on the sea floor
    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.

    By Katherine Kornei
  6. NASA Rover Perseverance takes a selfie on Mars
    Space

    What has Perseverance found in two years on Mars?

    NASA's Perseverance rover has turned up volcanic rocks, signs of flowing water and some of the materials necessary for life.

    By Liz Kruesi
  7. illustration showing rotting mean, fruit, vegetables and an animal carcass
    Anthropology

    A surprising food may have been a staple of the real Paleo diet: rotten meat

    The realization that people have long eaten putrid foods has archaeologists rethinking what Neandertals and other ancient hominids ate.

    By Bruce Bower
  8. A phone on a desk showing the LinkedIn login screen, alongside a purse, notebook and other accessories
    Science & Society

    Looking for a job? Lean more on weak ties than strong relationships

    A 50-year-old social science theory gets put to the test in a new study using data on 20 million LinkedIn users.

    By Sujata Gupta
  9. illustration of a giant crocodile eating a dinosaur
    Paleontology

    Fossils show a crocodile ancestor dined on a young dinosaur

    The 100-million-year-old fossil of a crocodile ancestor contains the first indisputable evidence that dinosaurs were on the menu.

    By Carolyn Gramling
  10. Huijia Lin portrait
    Computing

    Huijia Lin proved that a master tool of cryptography is possible

    Cryptographer Huijia Lin showed that the long-sought “indistinguishability obfuscation” is secure from data attacks.

    By Elizabeth Quill
  11. 3-D models of an upper leg bone and two forearm bones, each shown from two angles
    Anthropology

    7-million-year-old limb fossils may be from the earliest known hominid

    An earlier report on one of the bones of a 7-million-year-old creature that may have walked upright has triggered scientific misconduct charges.

    By Bruce Bower
  12. An illustration of a person's head in profile created with words.
    Health & Medicine

    A chemical imbalance doesn’t explain depression. So what does?

    The causes of depression are much more complex than the serotonin hypothesis suggests

    By Laura Sanders