Uncategorized

  1. Physics

    Einstein’s general relativity reigns supreme, even on a galactic scale

    Scientists have made the most precise test of Einstein’s theory of gravity at great distances.

    By Emily Conover
  2. Life

    It may take a village (of proteins) to turn on genes

    Clusters of proteins transiently work together to turn on genes, new microscopy studies of live cells suggest.

    By Tina Hesman Saey
  3. Anthropology

    A 2,200-year-old Chinese tomb held a new gibbon species, now extinct

    Researchers have discovered a new gibbon species in an ancient royal Chinese tomb. It's already extinct.

    By Bruce Bower
  4. Animals

    Each year painted lady butterflies cross the Sahara — and then go back again

    Painted ladies migrate the farthest of any butterfly.