Uncategorized

  1. Plants

    Why tumbleweeds may be more science fiction than Old West

    A tumbleweed is just a maternal plant corpse giving her living seeds a chance at a good life somewhere new.

    By Susan Milius
  2. Life

    We’ve lost 3 billion birds since 1970 in North America

    Scientists estimated the change in total number of individual birds since 1970. They found profound losses spread among rare and common birds alike.

    By Jonathan Lambert
  3. Humans

    Alcohol-producing bacteria could cause liver disease in some people

    A majority of patients with nonalcoholic fatty liver disease also had gut bacteria churning out medium to high levels of ethanol.

    By Tina Hesman Saey
  4. Humans

    Ancient DNA reveals the first glimpse of what a Denisovan may have looked like

    A controversial technique reconstructs a teenage Denisovan’s physical appearance from genetics.