Feature

  1. New species of the year

    More creatures, less Latin used to describe them.

    By Susan Milius

  2. Avant-garde cave art

    Paintings and animation date way back.

    By Bruce Bower

  3. ‘Good’ cholesterol may be overrated

    Surprise result questions heart protection from HDL.

    By Nathan Seppa

  4. Obesity research gets weightier

    Findings are filling out the story behind the fat.

    By Nathan Seppa

  5. You really can learn while you sleep

    Brain stays busy during lights-out.

    By Laura Sanders

  6. Out on a limb

    Fossils suggest early bipedal hominids still climbed.

    By Erin Wayman

  7. Milky Way will bite the dust

    Eventual collision with Andromeda to shake up the solar system.

    By Nadia Drake

  8. Kissing, and missing, human cousins

    DNA paints a contested picture of Stone Age interbreeding.

    By Bruce Bower

  9. Polar bears have seen hard times

    Two genetic studies extend the Arctic icon’s lineage way back.

    By Susan Milius

  10. Quantum hops

    A little closer to teleportation and new computers.

    By Alexandra Witze

  11. Finding new ways to spell L-I-F-E

    XNA molecules join DNA and RNA in the genetic catalog.

    By Rachel Ehrenberg

  12. Prions may cause Alzheimer’s

    Similarity found with destructive protein behind mad cow.

    By Laura Sanders