Human evolution species were indeed responsible for most of the Oldowan tools found. They argue that when most of the Oldowan tools were found in association with human fossils, "Homo" was always present, but "Paranthropus" was not. In 1994, Randall Susman used the anatomy of opposable thumbs as the basis for his argument that both the "Homo" and "Paranthropus" species were toolmakers. He compared bones and muscles of human and chimpanzee thumbs, finding that humans have 3 muscles which are lacking in chimpanzees. Humans also have thicker metacarpals with broader heads, allowing more precise grasping than the chimpanzee hand can perform. Susman
The Body Snatchers The Body Snatchers The Body Snatchers is a 1955 science fiction novel by American writer Jack Finney, originally serialized in "Colliers Magazine" in 1954, which describes real-life Mill Valley, California (called in the original film by the fictional name of "Santa Mira") being invaded by seeds that have drifted to Earth from space. The seeds, grown from plantlike pods, replace sleeping people with perfect physical duplicates with all the same knowledge, memories, scars, etc. but are incapable of human emotion or feeling. The human victims disappear forever. The duplicates live only five years and cannot sexually reproduce; consequently, if unstopped,