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The Genographic Project
The Genographic Project, launched in April 2005, is a five-year genetic anthropology study that aims to map historical human migration patterns by collecting and analyzing DNA samples from over ... > more -
Cave painting
Cave or rock paintings are paintings painted on cave or rock walls and ceilings, usually dating to prehistoric times. Rock paintings have been made since the Upper Paleolithic, 40,000 years ago. They ... > more -
Ancient Egypt
Ancient Egypt was a long-lived civilization in north-eastern Africa. It was concentrated along the middle to lower reaches of the Nile River, reaching its greatest extension during the second ... > more -
Crane (machine)
A crane is a tower or derrick equipped with cables and pulleys that can be used both to lift and lower materials and to shift them horizontally. Cranes are commonly employed in the construction ... > more -
Civilization
The word civilization (or civilisation) has a variety of meanings related to human society. By the most minimal, literal definition, a civilization is a complex society. Technically, anthropologists ... > more -
Stalagmite
A stalagmite is a type of speleothem that rises from the floor of a limestone cave due to the dripping of mineralized solutions and the deposition of calcium carbonate. The corresponding formation ... > more -
Mesopotamia
Mesopotamia was home to some of the oldest major ancient civilizations, including the Sumerians, Akkadians, Persians, Babylonians and Assyrians. Mesopotamia housed some of the world's most ancient ... > more
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