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Science

Nevada petroglyphs the oldest in North America

Ancient rock etchings along a dried-up lake bed in Nevada have been confirmed to be the oldest recorded petroglyphs in North America, dating back at least 10,000 years.

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Are we hardwired to be racist?

Are we hardwired to be racist?

The brain evolved to spot differences and see them as threats, but it is also flexible and can learn to ignore its biased impulses.

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Mars food study researchers emerge from dome

Six researchers have spent the past four months living in a small dome on a barren Hawaii lava field at 8,000 feet, trying to figure out what foods astronauts might eat on Mars and during deep-space missions.

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Perseid shower peaks with shooting stars this weekend

It's time again to stretch out the lawn chairs, lie back and enjoy the once-a-year celestial show known as the Perseid meteor shower.

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BBC: The truth and nothing but the truth

Dr. Geoff Bunn discovers that in the history of lie detection, the culture of the comic book influenced the cultural perception of science. What has changed since the heyday of Dick Tracy and Wonder Woman? Bunn investigates the latest technology and the American obsession with lie detection.

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BBC: The truth and nothing but the truth

Dr. Geoff Bunn discovers that in the history of lie detection, the culture of the comic book influenced the cultural perception of science. What has changed since the heyday of Dick Tracy and Wonder Woman? Bunn investigates the latest technology and the American obsession with lie detection.

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U.S. 'Space Fence' slated for shutdown

A U.S. radar system that tracks thousands of objects orbiting Earth -- from satellites to harmful debris -- has been slated for shutdown, according to the Space News site. The ground-based network known as the "Space Fence" may cease to operate in October.

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A reality show with depth: Live ocean exploration

For years, the world of the deep sea floor has mostly been the province of scientists. But nw, the public can watch science as it happens, however weird and wild.

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A patch designed to make you invisible to mosquitoes

If as effective as promised, the Kite Patch could be a game changer in preventing mosquito-borne illnesses like malaria and West Nile virus.

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