The peril of domestic drones

Drone warfare is now coming to your own backyard, said Glenn Greenwald. Local police have begun using unmanned Predator drones like those used in Afghanistan and Pakistan to conduct surveillance of criminal suspects right here in the U.S. This chilling step toward “a Surveillance State”—without the public’s knowledge or consent— was revealed last week by the Los Angeles Times, which […]

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Long Dark Winter at the South Pole

Winter at the South Pole

Few people have traveled to the South Pole since Roald Amundsen and Robert Falcon Scott reached the bottom of the world in the austral summer of 1911-12. Fewer still stay for the six months of darkness in the winter at the South Pole. The first crew to winter at the South Pole was in 1957, but only 1,267 people have spent the […]

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Turning walks into watts

The average human being generates about eight watts of energy with each step, most of which is expended as vibration. It may not sound like much, but take the 30,000 or more people who pass through a major-city subway hub at rush hour, and suddenly you’ve got serious power. That’s usually a problem for architects and engineers, who have to […]

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Gadgets causing depression

Spending evenings in front of a glowing computer, TV, or cellphone screen can put you at risk of depression, Science News reports. Nighttime exposure to light from gadgets has already been shown to contribute to insomnia, cancer, obesity, and diabetes. Now, a new study shows that screen glow can cause mood-related changes in the brain. For weeks, researchers exposed hamsters […]

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