Andriesvale, Northern Cape, South Africa. San patriarch living in Green Kalahari whose DNA was tested as part of the Genographic Project. The San Bushmen of Southern Africa are universally accepted as the world's oldest genetically distinct population of humans, whose DNA markers connect them to Scientific Eve. The Genographic Project used DNA from the San to help pinpoint some of humanity's earliest movements in Africa. This image is from The Human Family Tree.
Grand Teton National Park, Wyoming: A little pond set against the backdrop of the Grand Teton Mountains may not look like much, but it is the hub of action. Pictured here, a Heron with a sucker. This image is from Dam Beavers.