Probing question: What is a molecular clock?
Thursday, November 20, 2008 - 17:14
in Paleontology & Archaeology
It doesn't tick, it doesn't have hands, and it doesn't tell you what time of day it is. But a molecular clock does tell time -- on an epoch scale. The molecular clock, explained S. Blair Hedges, is a tool used to calculate the timing of evolutionary events.
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