Curr Biol. 23(7):R286-8. doi: 10.1016/j.cub.2013.02.050. April 8, 2013.
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Green RE and Shapiro B
The timing of human evolution can be inferred from DNA sequence comparisons, but this requires an accurate estimate of the mutation rate. While recent data suggested a lower rate and a longer timeline, a new study reinstates the previous timeline.