by David Pescovitz
Tim White, a UC Berkeley professor of Integrative Biology, is on what he calls 'a planetary mission,' but the planet he's exploring is Earth, albeit a very long time ago. White and an international team of scientists are digging deep into the geological record of remote Ethiopia to find clues about this planet as it existed 6 million years ago. What was the weather like? What kinds of plants thrived? What animals roamed the terrain? And, of particular interest to paleoanthropologists like White, what did our ancestors look like before evolution transformed them into us? "
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