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Cross your fingers and experience an illusion involving the sense of touch, on this Moment of Science. Read More »
If you calculate the geometric growth of the number two, you quickly come to an incredibly large number.
Computers would be much faster, smaller, and consume less energy if they used light signals instead of electrical signals. That's why many scientists are racing to figure out how to make computers that use light.
Imagine you're in a rowboat, in a small pond. You have a huge boulder with you in the boat. You throw the boulder overboard into the water. Does the water level of the pond rise, fall, or stay the same?
Experiments have shown that drinking grapefruit juice while taking drugs to control cholesterol, for example, can hamper the metabolizing process and allow too much of the drug to enter the bloodstream.
Bacteria may not sleep the way humans do, but bacteria called "persisters" can fall into something like a deep sleep in which they shut down and aren't affected by antibiotics. They can wake up spontaneously later on, and the infection they cause comes back.
Çatalhöyük's long period of excavation and its wealth of well-preserved artifacts and archaeological remains has made it an indispensable source of data about human prehistory.
There are innumerable points of significant change in over 100,000 years of human history, but arguably the most important period of all occurred in just the last 10,000.
Sitting on top of a rocky cliff in Italy’s Pollino National Park is Europe’s oldest tree.
During the Bronze Age, a complex network of trade and political alliances connected what are today the countries of Egypt, Israel, Greece, Lebanon and the island of Cyprus.
In contrast to common sense notions of Neanderthals as dumb apes, living without culture in the distant past, recent research makes this human ancestor seem more complex than previously thought.
