Uncategorized

  1. Earth

    Scientists analyze volcanoes’ killing ways

    Death patterns from more than 400 volcanic eruptions through history may reveal ways to reduce the number of fatalities from similar causes in the future.

    By Sid Perkins
  2. Anthropology

    Gene, fossil data back diverse human roots

    Ancient mitochondrial DNA extracted from Homo sapiens fossils and anatomical links among H. sapiens crania from different regions both support a theory of geographically diverse human origins.

    By Bruce Bower

  3. 18917

    While applauding the great advance that nerve regeneration would bring to people with spinal cord injuries, I wonder if there is a reason that nature has designed the body so that these nerves do not regenerate.