October 24, 2013
Mohenjo
Science
amazon, Ancient Human Skull, anthropology, Archaeology, biology, business, Business News, Daily Discovery, evolution, Health, Homo erectus, Homo ergaster, Homo habilis, Homo sapiens, Hotels, huffingtonpost, Human Ancestors, Human Evolution, human family tree, Human Skull Georgia, human species, human-rights, mental-health, Paleontology, Prehistoric Skull, Prehistory, research, Science, Science News, Skull 5, Skull 5 Humans, Slideshow, Smarter Ideas, technology, Technology News, travel, vacation, Video
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The earliest, now-extinct human lineages, once thought to be multiple species, may actually have been one species, researchers now controversially suggest.
Modern humans, Homo sapiens, are the only living member of the human lineage, Homo, which is thought to have arisen in Africa about 2 million years ago at the beginning of the ice age, also referred to as the Pleistocene Epoch. Many extinct human species were thought to once roam the Earth, such as Homo habilis, suspected to be among the first stone-tool makers; the relatively larger-brained Homo rudolfensis; the relatively slender Homo ergaster; and Homo erectus, the first to regularly keep tools it made.
To learn more about the roots of the human family tree, scientists investigated a completely intact, approximately 1.8-million-year-old skull excavated from the medieval hilltop town of Dmanisi in the Republic of Georgia. Archaeological excavations there about 30 years ago unexpectedly revealed that Dmanisi is one of the oldest-known sites for ancient human species out of Africa and the most complete collection of Homo erectus skulls and jaws found so far. The world’s largest, extinct cheetah species once lived in the area, and scientists cannot rule out whether it fed on these early humans.
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An artist’s conception revealing what “Skull 5” may have looked like some 1.8 million years ago when he (the scientists suspect the remains come from a male) lived..
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November 23, 2012
Mohenjo
Enthralling
animals, best video you will ever watch, business, entertainment, Environment, gaming, Green News, human species, humans, men help whale, nature, research, Science, technology, travel, vacation, Video, video is really fantastic, whale, whale caught in net, whale freed, whale in net, whales
RECEIVED THIS WONDERFUL LINK IN AN EMAIL FROM A FRIEND
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This video is really fantastic, it show the good side of our human species. They worked so hard with one little knife to free the whale, it is somewhat frightening when you consider that the whale was larger than the boat. But the whale knew they were trying to help it and didn’t panic, in which case they might have all died.
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.Click link below for outstanding video:
http://www.youtube.com/embed/EBYPlcSD490?rel=0
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James' World 2 