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Science

We may have snakes to thank for our acute vision

We may have snakes to thank for our acute vision

Why can we see in color? Why is our depth perception and visual acuity so good? New research supports the theory that we needed these abilities to spot and avoid venomous snakes.
by Barbara J. King

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Climate Cast: Winter arctic sea ice nears all-time low

Climate Cast: Winter arctic sea ice nears all-time low

In this hour-long edition of Climate Cast, we look at arctic sea ice, Alaskan villages facing climate change head on and a boulder field in Uganda that offers ancient clues to our changing planet.

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Photos: St. Croix bridge is cast piece by (giant) piece

Photos: St. Croix bridge is cast piece by (giant) piece

Starting as steel skeletons, segments of the new bridge over the St. Croix River are being cast at a plant in Cottage Grove. Soon, they'll head downriver to be lifted in place to begin to form the deck of the bridge.
by Jeffrey Thompson

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Facebook's suicide prevention tools connect friends, test privacy

Facebook's suicide prevention tools connect friends, test privacy

When social networks open up spaces for suicide prevention with untrained peer support, they walk the line between invasion of privacy and supporting those who need help.
by Emma Bowman

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Are humans really headed to Mars anytime soon?

Are humans really headed to Mars anytime soon?

Public passion is all well and good, but it will take more than big talk to get to Mars by 2025, space specialists say.

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Clues to autism, schizophrenia emerge from cerebellum research

Clues to autism, schizophrenia emerge from cerebellum research

Scientists once thought the cerebellum's role was limited to balance and coordinating physical movements. Now there's growing evidence that it also plays a role in thinking and emotions.
by Jon Hamilton

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Study: Nearly one-third of Americans are hiding information online

Study: Nearly one-third of Americans are hiding information online

While Americans are deeply divided over whether government surveillance is serving the public interest, one-third of those surveyed are taking steps to hide personal information online.
by Aarti Shahani

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A man's incomplete brain reveals cerebellum's role in thought, emotion

A man's incomplete brain reveals cerebellum's role in thought, emotion

Since his birth 33 years ago, Jonathan Keleher has been living without a cerebellum, a structure which usually contains about half the brain's neurons. But that hasn't kept him from living on his own.
by Jon Hamilton

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Super fast Internet and a digital divide in Kansas City

Super fast Internet and a digital divide in Kansas City

Kansas City has some of the Internet best service anywhere. But, four years after Google Fiber landed in Kansas City, people are still trying to figure just what do with all that speed.
by Frank Morris

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