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  1. Astronomy

    Less Massive than Saturn?

    Astronomers pass a milestone in the search for new worlds.

    By Ron Cowen

  2. 19132

    Sacagawea did not guide the Lewis and Clark expedition, as your story about the new dollar states. In Lewis and Clark’s journals, I find no instance where she directed or advised their course. Sacagawea perhaps saved the expedition a few beads when trading for horses with her brother in the Lemhi Valley of Idaho. Other […]

    By Science News
  3. Materials Science

    The Buck Starts Here

    The U.S. Mint performed some neat tricks to make a golden dollar.

    By Corinna Wu
  4. Chemistry

    Toxin in absinthe makes neurons run wild

    The alpha-thujone in absinthe—Vincent Van Gogh's favorite drink—blocks brain receptors for a natural inhibitor of nerve impulses, causing brain cells to fire uncontrollably.