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Inca Empire
The Inca Empire was an empire centered in what is now Peru from AD 1438 to AD 1533.The Inca people began as a tribe in the Cuzco area around the 12th century CE.
Note: The above text is excerpted from the Wikipedia article "Inca Empire", which has been released under the GNU Free Documentation License.
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Science News
January 29, 2025
Jan. 29, 2025 — New research has combined cosmological data from two major surveys of the universe's evolutionary history and found hints that it may be less clumpy at certain points than previously thought. Their findings suggest that the universe may have become ...
Jan. 29, 2025 — Scientists detected all five nucleobases -- building blocks of DNA and RNA -- in samples returned from asteroid Bennu by NASA's OSIRIS-REx ...
Jan. 28, 2025 — Scientists developed advanced dating methods to track geological changes on the far side of the moon and found evidence of relatively recent ...
Jan. 28, 2025 — Thirty years after the discovery of the first exoplanet, we detected more than 7000 of them in our Galaxy. But there are still billions more to be discovered! At the same time, exoplanetologists have begun to take an interest in their ...
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Jan. 29, 2025 — A new technique to trap clusters of platinum atoms in nanoscale islands could lead to more efficient catalysts for the chemical ...
Jan. 29, 2025 — Turning environmental waste into useful chemical resources could solve many of the inevitable challenges of our growing amounts of discarded plastics, paper and food waste, according to new ...
Jan. 29, 2025 — Older adults whose cholesterol changes over time may be more likely to develop dementia than people whose cholesterol is stable, regardless of the actual cholesterol level, according to a new ...
Jan. 29, 2025 — New research on nematodes reveals how glial cells maintain and monitor neuronal ...
Jan. 29, 2025 — Cells are dynamic, fast-changing, complex, tiny, and often hard-to-see in environments that don't always behave in predictable ways when exposed to external stimuli. Now, researchers have found new ...
Jan. 29, 2025 — This startling mechanism for promoting depolymerization relies on an additive that many plastics already contain: a pigment called carbon black that gives plastic its black color. Through a process ...
Jan. 29, 2025 — Researchers have identified priority areas for conserving the black-tailed prairie dog in the United States. Protecting these regions will also ...
Jan. 29, 2025 — Researchers have discovered crucial new information about how microbes consume huge amounts of carbon monoxide (CO) and help reduce levels of this deadly ...
Jan. 29, 2025 — Researchers present a solution to the challenging problem of recycling poly-cotton textile waste. The process starts with fully removing all cotton from the fabric using superconcentrated ...
Jan. 29, 2025 — The narrow, deep holes required for one type of flash memory are made twice as fast with the right recipe, which includes a plasma made from hydrogen ...