While we often view "cavemen" as brutish lugs whose only threat was other cavemen, it turns out that Ötzi, the frozen "iceman" discovered in 1991, was actually riddled with health problems.
Scientists already knew that Ötzi suffered from
Have you ever wanted to trick a fish? Of course you have. And now, through the miracle of robotics, we can make that dream a reality. Researchers at the Polytechnic Institute of New York University have invented a robotic fish that moves realistically enough to cause real fish to follow it in a school. In the process, they have learned (at least partly) what makes a leader among fish: beating its tail rapidly. This creates a wake in which other fish can follow with less tail movement, which...
While scientific discoveries can be exciting, big news about quantum physics or the expanding universe can seem light years away from our daily lives. That's why it's especially exciting to hear about creative inventions that have the potential to transform the way we do everyday things.
Researchers using carbon nanotubes—molecules of carbon cleverly arranged into cylinders just a...
A company called MicroCHIPS Inc. recently completed a year-long trial of an implantable microchip designed to release pharmaceutical drugs. These microchips contain small wells filled with the drug. On a programmed schedule or by a doctor's signal, an electrical current opens a well, releasing the drug directly into the bloodstream.
This trial was used to test whether these microchips could replace daily injections for ailments...
While human eyes can see many colors, the greeneye fish—found at ocean depths between 160 to 3,300 feet—can really only detect a green color, meaning any non-green predators should have an advantage over this tiny fish. Yet scientists at Duke University discovered that these greeneye fish have color-changing lenses in their eyes, which pick up ultraviolet light and transmit it as a green color back to the...
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