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  1. Astronomy

    When the Magellanic Clouds cozy up to each other, stars are born

    The Magellanic Clouds, the two closest star-making galaxies to the Milky Way, owe much of their stellar creativity to each other.

    By Ken Croswell
  2. Genetics

    We finally have a fully complete human genome

    Finding the missing 8 percent of the human genome gives researchers a more powerful tool to better understand human health, disease and evolution.

    By Tina Hesman Saey
  3. Paleontology

    Mammals’ bodies outpaced their brains right after the dinosaurs died

    Fossils show that mammals’ brains and bodies did not balloon together. The animals’ brains grew bigger later.

    By Carolyn Gramling
  4. Science & Society

    Here are the Top 10 times scientific imagination failed

    Some scientists of the past couldn’t imagine that atoms or gravity waves could one day be studied – or nuclear energy harnessed.