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Feed the Birds to Hear Them Sing

December 11, 2002
If you hear birds chirping in the winter, it means they've built up enough fat reserves to survive the cold nights and have enough energy left to defend their territory. When food is scarce, they have to decide whether to... continued

Global Warming Leads to Political Unrest

December 11, 2002
Global warming will make world poverty worse, which could destabilize the third-world countries where millions of poor people live and make them more open to government extremism. The UN's Rajendra Pachauri says, "Large areas of poverty are dangerous for the... continued

Are We Going to War for Oil?

December 11, 2002
It's now been discovered that what was once thought to be an oil bonanza in Central Asia?with more oil than exists in the Middle East?is actually a bust. And despite government support of hydrogen fuel cells, research indicates that these... continued

Chris Reeve May Walk Again

December 11, 2002
Actor Christopher Reeve could make a full recovery from paralysis if his spinal injury can be fixed. He became paralyzed from the neck down in 1995 after damaging his spinal cord in a riding accident, but doctors at the Washington... continued

Mysterious Blasts at Cheney House

December 11, 2002
People living near Vice President Dick Cheney are hearing mysterious, earth-shaking blasts coming from the U.S. Naval Observatory, which has been the site of the vice president?s residence since 1974. The Navy says the explosions are part of a classified... continued

Does the Average Guy Want War?

December 11, 2002
Anti-war protester Tom Hayden thinks that opposition to the war on Iraq is far greater than the opposition to the war in Vietnam was at a similar stage, but he doesn?t think this is reflected in the media, where the... continued

The Rocket Guy

December 10, 2002
Brian Walker is known as the "Rocket Guy" because he's built his own rocket, which he plans to ride into space. "Hopefully I'll launch from the black rock desert in Nevada," he says. He?s been working on Project RUSH (Rapid... continued

Mayan Temples Have Sound Effects

December 10, 2002
If you clap your hands in front of the 1,100-year-old Temple of Kukulcan, in the ancient Mayan city of Chichen Itza, the pyramid chirps a reply in the voice of the sacred quetzal bird. "Now I have heard echoes in... continued

Warming Up in Strange Places

December 10, 2002
Melting was so severe on the Greenland ice sheet this summer that some of the scientists there weren?t sure they would be able to get off. "We had come in with a fixed-wing aircraft landing on skis," says Konrad Steffen... continued

Cancer Capital of the World

December 8, 2002
Marin County in California has been called "the breast cancer capital of the world" because it has an unusually high rate of breast cancer?as does Long Island, New York. Residents suspect environmental causes, but epidemiologist Tina Clarke says, "It's not... continued