Evolution

  1. Genetics

    Ancestral humans had more DNA

    A new genetic diversity map marks where humans have gained and lost DNA.

    By Tina Hesman Saey
  2. Life

    Aging: Nature’s way of reducing competition for resources

    Aging may have developed in many species as a genetic mechanism to conserve future resources. If the controversial proposal is true, then scientists may be able to greatly extend life span by deactivating the machinery for aging embedded in our DNA.

    By Andrew Grant
  3. Anthropology

    Human laugh lines traced back to ape ancestors

    Chimps make laughing faces that speak to evolution of human ha-ha’s.

    By Bruce Bower
  4. Humans

    How Homo sapiens became world’s dominant species

    'First Peoples' dispels old ideas about human evolution and tells an updated tale of how Homo sapiens came to dominate the world.