Uncategorized

  1. Animals

    In a conservation catch-22, efforts to save quolls might endanger them

    After 13 generations isolated from predators, the endangered northern quoll lost its fear of them.

    By Leah Rosenbaum
  2. Health & Medicine

    At-home telomere testing is not a reliable marker of aging, researcher says

    Telomere testing for consumers offers a poor measure of “biological age,” says Johns Hopkins oncologist Mary Armanios.

    By Cori Vanchieri
  3. Tech

    50 years ago, NASA astronauts prepared to return to space

    Apollo 7 crewmembers underwent their first major tests 50 years ago. Today, U.S. astronauts struggle to get into space.

    By Dan Garisto
  4. Tech

    A new 3-D printer builds temporary electronics on your skin

    A new 3-D printer that tracks and compensates for your slightest twitch can precisely print simple electronic devices onto your skin.