Group items tagged

By Matthew Cobb Some religious folk accept that micro-evolution can be observed - shifts in allele frequency due to natural selection - but argue vociferously that no one has ever seen one species evolve out of another. We know that one reason for this apparent lack of evidence for speciation is due to the time-scales...

This is an interesting post about the accuracy of the molecular clock in estimating speciation events particularly humans. There is a link to info on Fossil dating .