Science

March 13, 2007 3:01 PM

What went wrong on the Arctic expedition?

MPR's Tom Crann talks to Ann Bancroft. She and Liv Arnesen are on their way home after a failed expedition to the North Pole.

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March 13, 2007 12:00 AM

The power to change the brain

Conventional wisdom has long held that our brains are hardwired for life, but new research and ancient Buddhist philosophy are coming together to show that we have the power to change the brain's structure and function.

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March 12, 2007 12:00 PM

Conservative group challenges the consensus on global warming

Minnesota legislators heard testimony from scientists, religious leaders and even a polar explorer at an unusual joint committee hearing on global warming. What they didn't hear were any voices urging them not to pass laws to curb greenhouse gases. So on March 8, the American Property Coalition held its own conference: "What science really says about global warming."

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March 12, 2007 9:56 AM

Equipment damage, frostbite end latest Bancroft-Arnesen trek

Explorers Ann Bancroft and Liv Arnesen have ended their attempt to trek to the North Pole because of equipment damage and frostbite, they announced Monday.

by Patrick Condon, Associated Press

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March 7, 2007 4:03 PM

The search for missing bees

Beekeepers are losing their hives by the hundreds, and no one seems to know where the bees are going. Our experts discuss the so-called "colony collapse disorder" and its impact on U.S. Agriculture.

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March 7, 2007 12:00 PM

What's making America fat?

David Kessler, who went after the tobacco industry when he was FDA commissioner, has now set his sights on America's rising obesity rates. Kessler spoke about the causes of and possible solutions to the obesity problem in a conversation at the University of Minnesota in February.

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March 6, 2007 4:15 PM

State archeologist rejects findings at Walker site

Sharp divisions are developing over an archeological site in Walker. Some archeologists say the site could be among the oldest human sites in the country. Minnesota's state archeologist rejects the claims.

by Tom Robertson

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February 27, 2007 12:00 AM

Challenges to stem cell research

Stem cell research proponents have convinced some states to fund research, but the controversy continues over whether using embryonic stem cells crosses an ethical line. Experts on both sides debate where stem cell research is headed.

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February 23, 2007 2:00 PM

U of M acknowledges mistakes in stem cell research

University of Minnesota officials say discrepancies found in promising stem cell research appear to be mistakes, and not deliberate fabrications. A journal determined U of M stem cell researcher Catherine Verfaillie doubled up some data.

by Art Hughes