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BBC Newsfrom BBC News

New human species identified from Kenya fossils

Researchers studying fossils from northern Kenya have identified a new species of human that lived two million years ago. The discoveries suggests that at least three distinct species of humans co-existed in Africa. The research adds to a growing body of evidence that runs counter to the popular perception that there was a linear evolution from early primates to modern humans. "Homo rudolfensis". http://www.nature.com/nature/journal/v488/n7410/full/nature11322.html

Homo heidelbergensis... "was first early human species to live in colder climates, their ­­­short, wide bodies were likely an adaptation to conserving heat. It lived at the time of the oldest definite control of fire and use of wooden spears, and it was the first early human species to routinely hunt large animals. This early human also broke new ground; it was the first species to build shelters—creating simple dwellings out of wood and rock."

Sex between Homo Sapiens and Neanderthals good for survival. When the "modern" humans left Africa they were exposed to new illnesses their Immune system couldn't fight off. On their way north they met and mated with Neanderthal humans. The Neanderthals had existed for 200 000 years and their immune system was adapted to the local circumstances. The "modern" humans received new genes that helped them survive in the new environment.

Homo heidelbergensis (also Homo rhodesiensis) is an extinct species of the genus Homo which lived in Africa, Europe and western Asia from at least 600,000 years ago. It survived until about 200,000 to 250,000 years ago. Its brain was nearly as large as that of a modern Homo sapiens. It is very likely the direct ancestor of Homo sapiens (Africa) and the Neanderthals (Europe), and perhaps also the Denisovans (Central Asia). First discovered near Heidelberg in Germany in 1907.

WSJfrom WSJ

Skull Suggests Single Human Species Emerged From Africa, Not Several

Skull #5 and the Rewriting of Human Evolution by Robert Lee Hotz, wsj: The discovery of a 1.8 million-year-old skull has offered evidence that humanity's early ancestors emerged from Africa as a single adventurous species, not several species as believed, drastically simplifying the story of human evolution... http://www.sciencemag.org/content/342/6156/297.summary #Science #Human_Evolution

Homo habilis cráneo fósil. Estos son anteriores homo erectus, que vivió hace entre 1,4 2.4 millones de años. Tenga en cuenta que los dientes no son como los monos y simios modernos pero al igual que los seres humanos modernos en lugar, dando más pruebas (es decir, en la parte superior de la bipedestación) que se trataba de un ancestro humano y no un mono temprano

Homo habilis, ( Latin: “able man” or “handy man”) extinct species of human, the most ancient representative of the human genus, Homo. H. habilis inhabited parts of sub-Saharan Africa from perhaps 2 to 1.5 million years ago (mya). In 1959 and 1960 the first fossils were discovered at Olduvai Gorge in northern Tanzania. This discovery was a turning point in the science of paleoanthropology because the oldest previously known human fossils were Asian specimens of Homo erectus. Many features of…