All Stories

  1. Animals

    Some iguanas may have rafted across the Pacific 30 million years ago

    The iguanas' epic 8,000-kilometer trip — one-fifth of Earth’s circumference — may be the longest made by a flightless land vertebrate.

    By
  2. Math

    Meet one of the ‘world’s most interesting’ mathematicians

    Angela Tabiri uses her enthusiasm for math to inspire young people — and to highlight African female mathematicians on a YouTube channel.

    By
  3. Fossils

    Could Spinosaurus swim? That would make it a game changer

    Spinosaurus fossils are challenging the longstanding claim that ancient dinosaurs were never fully aquatic. And some paleontologists still aren’t convinced.

    By
  4. Health & Medicine

    ADHD symptoms may boost teens’ risk of vaping or smoking

    Having multiple ADHD symptoms increases a teen’s risk of using vapes or other tobacco. That’s bad because nicotine is especially addictive for kids.

    By
  5. Animals

    Some fish have legs that can taste prey underfoot

    Taste buds on those legs may explain why northern sea robins are so good at finding food that is buried in the sandy seafloor.

    By , and
  6. Physics

    Much of the sun’s light is green. Why does it look yellow?

    Sunlight's peak intensity is at a green wavelength. Here’s why it doesn’t appear that way to us.

    By
  7. Animals

    Scientists Say: Exoskeleton

    This plate armor provides protection to insects, spiders and more. But that benefit comes with tradeoffs.

    By
  8. Humans

    Wiggling ears may have once helped boost human hearing

    Ancient ear muscles may not help us hear today. They can, however, offer one readout of how hard someone is trying to listen.

    By
  9. Animals

    Dire wolves or not, these pups could help counter extinction

    Some question if these are just gene-tweaked gray wolves. Still, the tech behind the new "dire wolves" might help some living at-risk species avoid extinction.

    By
  10. Animals

    Can this ‘woolly mouse’ help bring back extinct mammoths?

    Scientists created mice with woolly mammoth–like traits. But that doesn’t mean we’re close to bringing back woolly mammoths.

    By
  11. Health & Medicine

    Explainer: What is cancer?

    Cancer is a whole collection of diseases with one thing in common: all develop when the body’s cells start dividing out of control.

    By
  12. Materials Science

    A beautiful blue butterfly wing offers a new way to study cancer

    Once a morpho butterfly wing is placed atop a thin slice of tissue, shining polarized light through it can help reveal how likely breast cancer is to spread.

    By