21.   Dorit conceded that more research must be conducted on other segments of the human genome to establish the recent origins of modern humans.

22.   For example, evidence from mitochondrial DNA has been used to back the theory that modern humans originated in Africa.

23.   Forty thousand years ago, according to this theory, when the first anatomically modern humans arrived in Europe, they suddenly developed complex modern behaviors.

24.   From reconstructions of their upper respiratory tract, he has proposed that the Neanderthal larynx was higher up in the throat than it is in modern humans.

25.   He said he basically agreed with the proposals of the population geneticists that anatomically modern humans all came from somewhere in sub-Saharan Africa.

26.   He questioned using average modern humans for comparison to the fossil bones.

27.   Here you can compare the skull of a modern human with the skulls of several close primate relatives.

28.   His own research has established, he said, no difference in sexual dimorphism between Neanderthals and modern humans.

29.   If modern humans sprang from Africa, then the Far East Homo erectus was probably an evolutionary dead end, though a few scientists still think otherwise.

30.   If anything, the faces of modern humans are getting smaller with time.