News

  1. Earth

    Earliest birds didn’t make a flap

    The feathers of Archaeopteryx and Confuciusornis probably were not strong enough to support sustained flight.

    By Sid Perkins
  2. Humans

    Grown men swap bodies with virtual girl

    People who undergo virtual-reality perspective shifts feel like they’ve switched bodies with a virtual character.

    By Bruce Bower
  3. Life

    Eureka, brain makes real mental leaps

    Studies of rats reveal neuron activity changes en masse during aha moments.

    By Rachel Ehrenberg
  4. Life

    All present-day life arose from a single ancestor

    A major tenet of evolutionary theory — that all life stems from a common source — passes a statistical test.