Mark McGovern presents on the evolution of early human tools. Several early human species are discussed, including Australopithecus afarensis from 4-1.2 million years ago which used basic tools like rocks and sticks, Homo habilis from 2-1.5 million years ago which sharpened rocks and began hunting with tools, and Homo erectus from 1.6-80,000 years ago which controlled fire and made basic axes and sharp rocks. Later species like Homo sapiens Neanderthalis from 133,000-32,000 years ago and Homo sapiens Cro-Magnon from 100,000-10,000 years ago developed more advanced tools from materials like stone