Wind Power

How Wind Power Works

New research suggests living near wind energy farms could cause a variety of physical ailments, including sleep disorders, difficulty with equilibrium, headaches, childhood night terrors and other health problems. How do wind turbines work?

Grand Canyon

How the Grand Canyon Works

According to officials, hundreds of people evacuated the Grand Canyon due to a rain-swollen earthen dam that burst in the southern rim. How old is the canyon? And how was this natural wonder formed?

Animal Migration

How Animal Migration Works

A wayward humpback whale, spotted off the German island of Ruegen, has improved its chances of survival by swimming north into Danish waters. However, the whale still has treacherous terrain to navigate. Why do animals migrate?

Hackers

How Hackers Work

Experts believe the next large-scale military or terrorist attack on the United States may be carried out in cyberspace by hackers. An attack of this kind could be just as devastating to the U.S. economy and infrastructure as a deadly bombing.

John McCain

How John McCain Works

The John McCain camp had its best fundraising month ever -- taking in $27 million in July 2008. According to McCain’s campaign manager Rick Davis, a total of 600,000 people have donated to McCain’s campaign fund.

Search and Rescue

How Search and Rescue Works

New Zealand rescue workers headed back up Mount Cook National Park in an effort to find six missing Australian climbers. The search began after the climbers, who went into the mountains unguided, set off an emergency beacon alert from Metelille Glacier.

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today's trivia

What year did Italian Reinhold Messner make the first successful solo ascent of Mount Everest without oxygen?

trivia trivia