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The Royal Swedish Academy of Sciences on Wednesday announced that scientists Martin Karplus, Michael Levitt and Arieh Warshel have won this year's Nobel Prize in chemistry. They were cited "for the development of the multiscale models for complex chemical systems."

Martin Karplus, Michael Levitt and Arieh Warshel pioneered powerful technology that is now used to develop drugs and perform other vital tasks in the laboratory.

The passenger told the BBC he "hadn't a clue what to do to get down." But like a movie, he landed the plane safely.

With a son who had a phobia of needles, Dr. Amy Baxter stumbled upon a solution: a high-frequency vibrating ice pack that helps disrupt pain signals on their way to the brain. She stuck a cute bee on the front, won a $1 million federal health grant, and the product now known as Buzzy was born.

The president alone can approve or reject construction of the Keystone XL pipeline, which is designed to take crude oil extracted from Alberta, Canada, through America's heartland to refineries on the Gulf Coast. New Yorker journalist Ryan Lizza says Obama could use the decision as a "symbolic turning point in the kind of energy future he wants America to have."

Some say they like how the House speaker has stiffened his spine in his dealings with the White House and Senate Democrats. Others think he's boxed himself into a corner.

Obama said in Yellen, American workers and families will have a "champion." If confirmed, Yellen will be the first woman to head the American central bank.

It won't be easy, but state Sen. Wendy Davis is trying to become the first Democrat to win a statewide contest in Texas since 1994. She's facing a well-funded Republican opponent in Texas Attorney General Greg Abbott.

A cholera outbreak in Haiti was likely triggered by United Nations peacekeeping forces stationed there after a 2010 earthquake. A human rights groups wants the U.N. to take responsibility for the cholera outbreak and to compensate Haitian families.

Melissa Block speaks with David Wasserman, House editor for The Cook Political Report, about the leanings of congressional districts in the U.S., polarized districts and roots in the shutdown.