News

  1. Earth

    Breaking Waves: Mangroves shielded parts of coast from tsunami

    Along a strip of India's southeastern coastline, trees protected certain villages from last December's tsunami, while waves wiped out neighboring settlements that weren't sheltered by vegetation.

    By Ben Harder
  2. Paleontology

    Caribbean Extinctions: Climate change probably wasn’t the culprit

    Remains of extinct sloths unearthed in Cuba and Haiti indicate that the creatures persisted in Caribbean enclaves until about 4,200 years ago, a finding that almost absolves climate change following the last ice age as a cause for the die-offs.

    By Sid Perkins
  3. Health & Medicine

    Defense Mechanism: Circumcision averts some HIV infections

    Men who get circumcised reduce their risk of acquiring the AIDS virus by more than half.