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  1. Life

    Here’s how drinking coffee could protect your heart

    Coffee’s heart-healthy effects rely on boosting cells’ energy production, a study in mice suggests.

    By Tina Hesman Saey
  2. 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
  3. 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
  4. 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.