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Science

Farmers plan first U.S. biomass ethanol plant

Farmers plan first U.S. biomass ethanol plant

Spurred on by President Bush, several companies are racing to build the nation's first biomass ethanol plant. A group of Minnesota and South Dakota farmers hope to win the contest.

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The science of lying

The science of lying

Researchers are working to develop a foolproof technology to detect when people are lying. But while such a device could help solve crimes and protect the nation against terrorism, it could also have profound social implications.

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Science facts that sound like science fiction

Science facts that sound like science fiction

Physicists like to theorize about all kinds of far out concepts: parallel universes, dark matter, alien civilizations and even time travel.

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The dinosaur hunter

The dinosaur hunter

Thousands of years ago the Sahara desert was a green landscape shot through with rivers. Now the desert is revealing the bones of dinosaurs found nowhere else.

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The pros and cons of caffeine

New research suggests caffeine can lead to heart disease due to a genetic mutation. Program first aired February 9, 2005.

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Imagining the fate of the universe

Imagining the fate of the universe

Recent data suggests the universe is growing faster than expected and eventually may freeze. And the good news? There are other universes around us. Cosmologist Michio Kaku talks about his controversial theories.

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Ethics matters

Ethics matters

The ethical dilemmas surrounding organ donation become more complicated with advances in medicine and the new role of the internet.

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Looting of Baghdad

Looting of Baghdad

A rebroadcast of Kerri Miller's conversation with Matthew Bogdanos whose new book describes the destruction of historic sites after the 2003 invasion of Iraq.

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Group calls for more privacy protection for newborns

Group calls for more privacy protection for newborns

Nearly every infant in Minnesota receives a battery of tests to check for various health conditions. Critics are concerned that the state health department is collecting and keeping potentially sensitive genetic data.
by Tom Scheck

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You call this winter?

It's official: last month was the warmest January we've had in more than a century. Where is this weather coming from?

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