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  1. Earth

    Volcanic avalanches of rock and gas may be more destructive than previously thought

    Pressures within pyroclastic flows may be as much as three times as great as observations had suggested.

    By Nikk Ogasa
  2. Math

    Take an online journey through the history of math

    ‘History of Mathematics’ explores the origins of arithmetic, algebra, geometry and more.

    By Erin Wayman
  3. Animals

    Scientists vacuumed animal DNA out of thin air for the first time

    The ability to sniff out animals’ airborne genetic material has been on researchers’ wish list for over a decade.

    By Jude Coleman
  4. Genetics

    A genetic analysis hints at why COVID-19 can mess with smell

    People with some genetic variants close to smell-related genes had an 11 percent higher risk of losing their sense of taste or smell.