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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.
Note: The above text is excerpted from the Wikipedia article "Chichen Itza", which has been released under the GNU Free Documentation License.
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March 23, 2025
Mar. 20, 2025 — Feathers, essential for thermoregulation, flight, and communication in birds, originate from simple appendages known as proto-feathers, which were present in certain dinosaurs.By studying embryonic development of the chicken, researchers from the ...
Mar. 18, 2025 — Modern humans descended from not one, but at least two ancestral populations that drifted apart and later reconnected, long before modern humans spread across the ...
Mar. 9, 2025 — The megalodon has long been imagined as an enormous great white shark, but new research suggests that perception is all wrong. The study finds the prehistoric hunter had a much longer body -- closer in shape to a lemon shark or even a large ...
Mar. 6, 2025 — Researchers have discovered the world's oldest known meteorite impact crater, which could significantly redefine our understanding of the origins of life and how our planet was shaped. The team found evidence of a major meteorite impact 3.5 billion ...
Latest Headlines
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Mar. 21, 2025 — Who were our earliest ancestors? The answer could lie in a special group of single-celled organisms with a cytoskeleton similar to that of complex organisms, such as animals and ...
Mar. 12, 2025 — The discovery of a human facial fragment aged over one million years represents the oldest known face in western Europe and confirms the region was inhabited by two species of human during the early ...
Mar. 18, 2025 — Although fungi of the genus Piloderma are common, scientists have now discovered five previously unknown species. One of these is one of the most widely distributed species in Northern Europe, while ...
Mar. 17, 2025 — Researchers have identified the economic and political borders separating El Argar, considered to be the first state-society in the Iberian Peninsula, from its La Mancha and Valencia Bronze Age ...
Mar. 17, 2025 — A new analysis of 105-year-old data on the effectiveness of 'dazzle' camouflage on battleships in World War I has found that while dazzle had some effect, the 'horizon effect' had far more influence ...
Mar. 18, 2025 — Humans' unique language capacity was present at least 135,000 years ago, according to a survey of genomic evidence. As such, language might have entered social use 100,000 years ...
Mar. 17, 2025 — A team of scientists have elucidated an ancient mechanism of cellular respiration. To that end, they studied bacteria that feed on the gases carbon dioxide and hydrogen, and turn them into acetic ...
Mar. 17, 2025 — The only iguanas outside the Americas, Fiji iguanas are an enigma. A new genetic analysis shows that they are most closely related to the North American desert iguana, having separated about 34 ...
Mar. 13, 2025 — Misha lived her whole life in zoos, but this elephant's teeth are now helping scientists reconstruct wildlife migrations. Geologists show how ...
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