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  1. Chemistry

    Here’s how tardigrades go into suspended animation

    A new study offers more clues about the role of oxidation in signaling transitions between alive and mostly dead in tardigrades.

    By Tina Hesman Saey
  2. Animals

    A new exhibit invites you into the ‘Secret World of Elephants’

    As elephants face survival threats, the American Museum of Natural History highlights their pivotal role in shaping landscapes — and their resilience.

    By Saima S. Iqbal
  3. Animals

    Some mysteries remain about why dogs wag their tails

    Wagging is a form of communication, with different wags meaning different things, but scientists know little about the behavior’s evolution in dogs.

    By Jude Coleman
  4. Health & Medicine

    Is aging without illness possible?

    Researchers are harnessing basic biology to develop drugs that foster healthy aging.