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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 -
Parallel evolution
Parallel evolution is the independent evolution of similar traits, starting from a similar ancestral condition. Frequently this is the situation in more closely related lineages, where several ... > more -
Little Ice Age
The Little Ice Age (LIA) was a period of cooling lasting approximately from the 14th to the mid-19th centuries, although there is no generally agreed start or end date: some confine the period to ... > more -
Minoan civilization
The Minoans were a pre-Hellenic Bronze Age civilization in Crete in the Aegean Sea, flourishing from approximately 2600 to 1450 BC when their culture was superseded by the Mycenaean culture, which ... > more -
Evolution of the eye
The evolution of the eye has been a subject of significant study, as a distinctive example of a homologous organ present in a wide variety of species. The development of the eye is considered by most ... > 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 -
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 -
Chichen Itza
Chichen Itza is a large pre-Columbian archaeological site built by the Maya civilization, located in the northern center of the Yucatán Peninsula, present-day Mexico. From roughly 600 CE in ... > more
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