Uncategorized

  1. Earth

    Primordial bestiary gets an annex

    A classic Canadian fossil trove extends to thinner deposits, geologists find.

    By Alexandra Witze
  2. Plants

    Evergreen source of Tamiflu

    Pine and spruce needles brim with flu-drug precursor.

    By Rachel Ehrenberg

  3. In field or backyard, frogs face threats

    Amphibians and other sensitive groups encounter chemicals across the landscape.

    By Susan Milius

  4. DNA on the move

    The latest advances from the field of DNA nanotechnology include nanobot ‘spiders’ learning how to walk and even do some work.

    By Gwyneth Dickey

  5. A matter of solidity

    A material that oozes through itself presents a super physics puzzle.