News

  1. Anthropology

    Clovis people may have hunted elephant-like prey, not just mammoths

    The ancient American Clovis culture started out hunting elephant-like animals well south of New World entry points, finds in Mexico suggest.

    By Bruce Bower
  2. Health & Medicine

    HIV reemerges in ‘cured’ child

    The discovery spotlights limits in detecting the clandestine germ and raises questions about whether HIV can ever truly be cured.

    By Nsikan Akpan
  3. Oceans

    Saharan dust explains Bahamas’ paradoxical existence

    Windswept dust from the Sahara Desert may fertilize bacteria that built the Bahamas.

    By Thomas Sumner
  4. Cosmology

    Lab version of early universe fails to solve lithium problem

    An experiment that imitated conditions from just after the Big Bang failed to explain why observed amounts of lithium don’t match those expected from theory.