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- 1. Medical sleuths on trail of rare, polio-like syndrome
Doctors aren't sure if it's a virus or something else that's caused more than a dozen children in California to suffer paralysis to one or more limbs. (AP Photo/Martha Mendoza)
- 2. Website of Bitcoin Exchange goes offline
The page's disappearance follows reports that the exchange based in Japan suffered a significant theft - a possible fatal blow to efforts to gain legitimacy for the virtual currency.
- 3. Whos's a Wanted Man in Ukraine?
The interim government issues a warrant for the arrest of fugitive President Yanukovych in the killing of protesters last week in Kiev. (AP Photo,CTK/Michal Krumphanzl)
- 4. Mexico angling to try druglord first
Authorities set in motion a legal process that makes it unlikely Joaquin "El Chapo" Guzman will face charges in the U.S. anytime soon. (AP Photo/Marco Ugarte)
- 5. Why Defense Chief wants to downsize army
Hagel says the U.S. can afford a smaller military so long as it retains its technological edge. (AP Photo/Carolyn Kaster)
- 6. Congress's longest-serving member ever is calling it quites
Eighty-seven-year-old John Dingell, a Michigan Democrat, says he's relinquishing the seat he's held since 1955. (AP Photo/J. Scott Applewhite, File)
- 7. Red flag raised on testosterone drugs
A consumer group calls on the FDA to add a warning label to the popular medicines because there's evidence they can increase the risk of heart attack.(Photo by SSPL/Getty Images)
- 8. What's next challege for Sochi
With the Olympics over, the city needs to make sure the expensive stadiums used for the games don't turn into white elephants. (Photo by Scott Halleran/Getty Images)
- 9. Seth Mayers debuts as host of NBC's 'Late Night'
In this photo provided by NBC, from left, actress Amy Poehler and Vice President Joe Biden appear with host Seth Meyers on the premiere of "Late Night with Seth Meyers" on Monday, Feb. 24, 2014, in New York. (AP Photo/NBC, Peter Kramer)
- 10. Harold Ramis, creator of comedy classics, dies at 69
The writer-director-actor created a hugely influential body of work, including such films as "Caddyshack," "National Lampoon's Animal House," "Ghostbusters," "Stripes" (pictured with Bill Murray, and "Groundhog Day."