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Screening for colon cancer actually prevents the disease, but one-third of people over 50 have never been screened. A new campaign hopes to get 80 percent of eligible people screened by 2018.

As Russia has consolidated its control over Crimea, the Ukrainian government in Kiev has sent mixed messages. Many troops on the ground are feeling increasingly abandoned, with no clear orders at all.

Google Glass is still in the testing phase and still rather expensive, but that hasn't stopped political professionals from looking for ways Google Glass can become a powerful tool for campaigns.

In this week's roundup, tensions between tech companies and the NSA run hot, the simmering debate over women in tech continues and Turkey bans Twitter. What's next?

The organization of certain brain cells in children with autism seems already different from that of typical children by the sixth or seventh month of fetal development, a study hints.

Do pushy parents make a baby fatter, or is it all in the genes? That's one of the big puzzles that scientists are trying to answer. Two studies suggest that an individual's interest in food is a big factor, even in babies. A genetic predisposition may be involved.

More than 1 million people lost their unemployment benefits as 2014 began. Whether or not those benefits get extended, economists say there are ways to change the program that will make it work better. One suggestion is work sharing, which has helped reduce Germany's unemployment.

James Clapper, the director of national intelligence, listed "insider threats," alongside cyber attacks and terrorism. This marks the first time unauthorized disclosures are given such prominence in a threat assessment report.

Talks in Vienna about Iran's nuclear program kick off what could be a year of negotiations. Negotiators are seeking a deal to follow the temporary agreement now limiting Iran's nuclear program.

One year ago, Lauryn Williams had never tried bobsled racing at all; she was only elevated to the elite U.S. women's team 11 days ago. Wednesday, she made Olympic history.