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Homo Erectus Discovery
APRIL 2005
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Photo captions by Peter Gwin
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Homo Erectus Discovery Gallery Photo

2 of 4
Prehistoric Puzzle Pieces
Photograph by Kenneth Garrett

Detailed notes from the team's archaeologists answer basic questions about each bone—where it was found, how it was positioned, and which species it might be. After a researcher cleans the bones, using a tray of dirt as a soft surface, paleoanthropologist Martha Tappen examines them for clues about life at the site, such as cut marks made by stone tools. "Those marks tell us that hominins were butchering animals and eating meat," says Tappen. She and other scholars think this ability to find and eat meat may have made it possible for early humans to leave Africa—and survive.

Photo Fast Facts
Camera: Nikon F5
Film Type: Fujichrome Provia 100
Lens: Nikkor 60mm micro, f/2.8
Speed and F-Stop: 1/15 @ f/5.6
Weather Conditions: Indoors
Time of Day: Afternoon
Lighting Techniques: Window light

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