Uncategorized

  1. Physics

    Here’s how much fruit you can take from a display before it collapses

    About 10 percent of the fruit in a tilted market display can be removed before it all crashes down, computer simulations show.

    By Darren Incorvaia
  2. Life

    Bacteria fossils hold the oldest signs of machinery needed for photosynthesis

    Microfossils from Australia suggest that cyanobacteria evolved structures for oxygen-producing photosynthesis by 1.78 billion years ago.

    By Tina Hesman Saey
  3. Health & Medicine

    Fetuses make a protein that causes morning sickness in pregnancy

    A hormone called GDF15 triggers a part of the brain involved in nausea and vomiting, a new study finds. Blocking its action may lead to treatments.