Word: homo
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...Leakey has found more and better pre-man and early man fossils than any other anthropologist. His work has helped upset many held ideas on evolution and has forced science to write a new sce nario for man's slow progress from ape to Shakespeare's "paragon of animals," Homo sapiens...
...potassium-argon method. Both gave scientists techniques by which they could accurately determine the age of the strata in which fossilized bones were found, and sometimes the age of the bones themselves. Using these new tools, they have determined that Java man and Peking man, now classified as Homo erectus, walked the earth more than 500,000 years...
...skull found by Jonathan Leakey indicated that it had contained a brain measuring nearly 700 cc. That was considerably smaller than modern man's brain?which averages 1,400 cc.?but large enough to suggest that it had belonged to a being that fit ideally between Australopithecus and Homo erectus. Louis Leakey and his colleagues named him Homo habilis (handy man), because they believed him to be the manufacturer of the tools found in the vicinity...
...skull raised a new problem. While anthropologists could accept the idea of man having evolved from Australopithecus, the evidence seemed to show that Homo habilis lived at the same time as his less advanced cousins. If so, could he have descended from them? Also, if several species of pre-men lived side by side, which one was really...
...National Museums of Kenya catalogue number, was manlike in configuration and, according to Leakey's measurements, once contained a brain of 800 cc.?more than half the average size of a modern human brain. But what excited the team most was the age of the skull. Probably a Homo habilis, 1470 was more than...