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  1. Life

    How some beetles ‘drink’ water using their butts

    Red flour beetles, a major agricultural pest, suck water out of the air using special cells in their rear ends, a new study suggests.

    By Freda Kreier
  2. Science & Society

    Here are the Top 10 threats to the survival of civilization

    These aren’t just movie scenarios. From aliens and asteroids to pandemics, war and climate change, civilization as we know it is at risk.

    By Tom Siegfried
  3. Physics

    The W boson might not be heavier than expected after all

    A new and improved look at the mass of the W boson is in close alignment with theory, but it doesn’t negate an earlier, controversial measurement.