News

  1. Ecosystems

    Shark Serengeti: Ocean predators have diversity hot spots

    The first search for oceanic spots of exceptional diversity in predators has turned up marine versions of the teeming Serengeti plains.

    By Susan Milius
  2. Anthropology

    New World Newcomers: Men’s DNA supports recent settlement of the Americas

    New data on genetic differences among the Y chromosomes of Asian and Native American men support the notion that people first reached the Americas less than 20,000 years ago.

    By Ben Harder
  3. Paleontology

    Three Species No Moa? Fossil DNA analysis yields surprise

    Analyses of genetic material from the fossils of large flightless birds called moas suggest that three types of the extinct birds may not be separate species after all.