News

  1. Health & Medicine

    Vaccine for Marburg virus passes monkey test

    Tests suggest that the lethal hemorrhagic virus can be stopped if countered soon after exposure.

    By Nathan Seppa
  2. Climate

    Methane releases in arctic seas could wreak devastation

    Warming climate could lead to dead zones, acidification and shifts at the base of the ocean’s food chain.

    By Sid Perkins
  3. Tech

    What Jefferson was thinking

    Imaging technology reveals a last-minute revision to the Declaration of Independence.

    By Janet Raloff
  4. Humans

    Botox injections put a crease in emotional evaluations

    By immobilizing a muscle needed for frowning, Botox injections may interfere with a person’s ability to assess others’ emotions.