News

  1. Humans

    Site hints at Asian roots for human genus

    An early Homo species inhabited the Caucasus region 1.85 million years ago, casting doubt on its proposed African origin.

    By Bruce Bower
  2. Space

    Black hole jets in HD

    Images of unprecedented resolution offer insight into how black holes swallow up matter.

    By Ron Cowen
  3. Tech

    Information flow can reveal dirty deeds

    An analysis of Enron e-mails reveals that corrupt networks have a distinctive shape.

    By Rachel Ehrenberg
  4. Health & Medicine

    A year adds up to big changes in brain

    Third grade brings big shifts in how kids use their heads to solve math problems.