http://www.nature.com/news/2006/060515/full/060515-10.html
"The divorce period between the two species, the data suggest, could have lasted a million years."
...
"For some reason, human-like fossils far outnumber chimpanzee-like ones in the fossil record, making it difficult to see exactly who was sleeping with whom at the time."
"The divorce period between the two species, the data suggest, could have lasted a million years."
...
"For some reason, human-like fossils far outnumber chimpanzee-like ones in the fossil record, making it difficult to see exactly who was sleeping with whom at the time."
