Uncategorized

  1. Animal Origins: Genome reveals early complexity

    Analysis of DNA from a choanoflagellate, the closest known living nonanimal relative of animals, allows scientists to infer the genetic starter kit possessed by the first animal.

    By Amy Maxmen
  2. Paleontology

    Flying Deaf? Earliest bats probably didn’t echolocate

    Fossils of a cardinal-sized creature recently unearthed in western Wyoming suggest that primitive bats developed the ability to fly before they could track their prey with biological sonar.

    By Sid Perkins
  3. Health & Medicine

    Caffeine intake tied to miscarriage

    Intake of caffeine equal to two cups of coffee per day seems to double a woman's risk of miscarriage.

    By Nathan Seppa
  4. Humans

    Heed your elders, survive a tsunami

    An oral tradition passed down among islanders in the South Pacific saved many lives during a tsunami last year and illustrates the benefits that community-based education and awareness programs can provide.