Uncategorized

  1. Paleontology

    Going Under Down Under: Early people at fault in Australian extinctions

    A lengthy, newly compiled fossil record of Australian mammals bolsters the notion that humanity's arrival on the island continent led to the extinction of many large creatures there.

    By Sid Perkins
  2. Ecosystems

    Saving Whales the Easy Way? Less lobstering could mean fewer deaths

    A provocative proposal suggests that the U.S. lobster fleet in the Gulf of Maine could reduce the number of traps, maintain its profits, and improve life for endangered right whales.

    By Susan Milius
  3. Health & Medicine

    Coming to a Bad End: Lost chromosome tips linked to heart problems

    Men with short telomeres, the ends of chromosomes, are twice as likely to develop heart disease as are men with longer telomeres.