July 25, 2016
Teaching geology to biologists: An essay on an interdisciplinary field trip in Africa
We stop next to a wide, dry, creek bed on the floor of a steep canyon near Tarangire National Park in northern Tanzania. Elephants spray water on …
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Great Rift Valley
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January 5, 2012
Homo erectus footprints show modern way of walking
In the Great Rift Valley in northern Kenya, researchers have discovered a cluster of footprints that look almost exactly like those you or I …