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Science

What lies beneath? Engineers draw down Mississippi in Minneapolis

What lies beneath? Engineers draw down Mississippi in Minneapolis

Engineers have drained off the top 13 feet of the Mississippi River between the Upper and Lower St. Anthony Falls dams in Minneapolis. Historians are savoring a view of the river that resembles what the first explorers probably found at the site.
by Tom Crann

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New techniques can make physical therapy a game

New techniques can make physical therapy a game

New technology is helping people who are paralyzed a chance to use of their arms and legs again. Studies show the device called Bioness, works with stroke patients. A Sioux Falls rehabilitation center is testing how it works with patients suffering from a spinal cord injury.
by Cara Hetland

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Building mental muscles

Building mental muscles

We all know the physical benefits of exercise, but new research is showing that that physical activity can also be good for our brains. The author of a new book says exercise is the most powerful tool we have to optimize brain function.

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Minn. climber reviews the new IMAX film 'The Alps'

Minn. climber reviews the new IMAX film 'The Alps'

A new giant-screen film opens Friday at the Science Museum of Minnesota's Omnitheater in St. Paul. It's called "The Alps." It's about a mountain climber who tries to conquer the peak that killed his father. We asked Minnesota mountain climber Neal Mueller to preview the IMAX film.
by Tom Crann

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Roaming black holes and misfit stars

Roaming black holes and misfit stars

Rogue black holes, orphaned baby planets, and a huge gas cloud headed toward the Milky Way. Those were just some of the topics at last week's meeting of the American Astronomical Society.

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Power line technology allows for bigger loads

Power line technology allows for bigger loads

More efficient power lines are helping some utilities meet increased electric demand. The new lines use a composite material that allows them to carry two or three times more electricity than a traditional power line.
by Dan Gunderson

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