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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 -
Seismic wave
A seismic wave is a wave that travels through the Earth, most often as the result of a tectonic earthquake, sometimes from an explosion. There are two types of seismic wave, namely, 'body wave' and ... > more -
Maya civilization
The Maya civilization is a Mesoamerican civilization, noted for the only known fully developed written language of the pre-Columbian Americas, as well as its spectacular art, monumental architecture, ... > more -
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Ancient Civilizations
Construction
Engineering and Construction
Civil Engineering
Telecommunications
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 -
Genetic drift
Genetic drift is the term used in population genetics to refer to the statistical drift over time of gene frequencies in a population due to random sampling effects in the formation of successive ... > more -
Bronze Age
The Bronze Age is a period in a civilization's development when the most advanced metalworking consisted of techniques for smelting copper and tin from naturally occurring outcroppings of ore, and ... > more -
Anthropology
Anthropology is the study of humanity. Anthropology has origins in the natural sciences, the humanities, and the social sciences. Since the work of Franz Boas and Bronisław Malinowski in the ... > more
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