Sentences with phrase «tools out of stone»

Humans crafted cutting tools out of stone, showing intelligence.

Not exact matches

, would not be nearly enough to carve these colossal figures out of the steel - hard volcanic stone with rudimentary tools; and the island is so small that it could scarcely have provided food for more than 2,000 people.
Something had to be got out of the way, some obstacle that lay in God's very path; and the Cross was the instrument of its removal, the tool by which the stone was rolled away — «it was a very great one!»
Thus, «giant chunks of space debris clobbering the planet and wiping out life on Earth has undeniably broad appeal,» Meltzer says, whereas «no one in Hollywood makes movies» about more nuanced explanations, such as Clovis points disappearing because early Americans turned to other forms of stone tool technology as the large mammals they were hunting went extinct as a result of the changing climate or hunting pressure.
Using just scraps of wood and hot embers, our evolutionary cousins figured out how to make tar, a revolutionary adhesive that they used to make formidable spears, chopping tools and other implements by attaching sharp - edged stones to handles, a new study suggests.
Although some researchers suspect that earlier hominids, not modern humans, made the stone tools, Marks is hopeful that future digs in Arabia, Iran, and western India will unearth still more evidence of humanity's bold, early route out of Africa.
By following a trail of stone tools and fossils, researchers have traced possible routes for the spread of early Homo out of Africa to the far corners of Asia, starting about 2 million years ago.
His and others» discoveries of early stone tools in India and Arabia suggest that moderns did expand out of Africa during the early migration windows.
The team took extensive steps to rule out the migration of artifacts between layers, for example by refitting together broken stone tools found in the same layer.
Meanwhile, stone tools found in Arabia and India suggest that Homo sapiens may have made its way out of Africa much earlier than 50,000 years ago, as usually assumed.
Back in December 2007, archaeologist Zhan - Yang Li of the Institute of Vertebrate Paleontology and Paleoanthropology (IVPP) in Beijing was wrapping up his field season in the town of Lingjing, near the city of Xuchang in the Henan province in China (about 4000 kilometers from the Denisova Cave), when he spotted some beautiful quartz stone tools eroding out of the sediments.
One of the main criticisms of the study is that it does not conclusively rule out natural causes for the breakage of mastodon bones, presence of stone tools, and breakage patterns on the rock surfaces.
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