News

  1. Physics

    Identity Check: Elusive neutrinos morph on Earth, as in space

    Strengthening a challenge to the prevailing theory of particle physics, measurements of elusive particles called antineutrinos from nuclear reactors suggest that no neutrino types, be they matter or antimatter, have stable identities.

    By Peter Weiss
  2. Health & Medicine

    Visionary science for the intestine

    A tiny disposable flash camera that a person swallows can detect problems in the small intestine.

    By Nathan Seppa
  3. Health & Medicine

    Bone scan reveals estrogen effects

    Using a scanning technology called microcomputerized tomography, scientists have a new way to look at the difference between bone exposed to estrogen and bone deprived of it.