Uncategorized

  1. Health & Medicine

    TV watching linked to low sperm counts

    Couch potatoes’ reproductive health may suffer.

    By Nathan Seppa
  2. Humans

    Earlier Neandertal demise suggested by redating

    Using an improved radiocarbon method, researchers challenge the notion that the species hung on in Iberia for millennia after modern humans arrived in Europe.

    By Erin Wayman
  3. Health & Medicine

    Nothing to fear but suffocation

    People with a rare brain disorder don’t get scared — except when they breathe carbon dioxide.

    By Laura Sanders
  4. Health & Medicine

    A new generation of antidepressants could help patients feel better faster

    By Laura Sanders
  5. Chemistry

    Gold-digging microbe

    By spitting out a molecule, a bacterium draws solid gold out of solution.