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The senators cited Hagel's lackluster confirmation hearing performance and his views on Iran. The White House said it would not back down from the nomination.

Dr. Sam Parnia researches the experiences of cardiac arrest patients in the time between when their hearts stop and when they are brought back to life. Parnia thinks of these experiences as actual-death experiences as opposed to near-death experiences.

A satellite image combining infrared, near infrared and green light produces a colorful combination. The volcano has been blowing off steam, and lava, this week.

It appears that the current batch of flu vaccine is only about 9 percent effective in protecting people 65 and older against the H3N2 flu strain that's causing the most illness. Even so, health officials still recommend vaccination.

Today, Rowena Gore-Simmons runs a center for formerly incarcerated women. But Rowena once served time herself, when her now-teenage daughter was 4. While she was in prison, Rowena dedicated herself to being a better mother when she got out.

The controversy began when a piece of graffiti on a London wall appeared at a Miami auction house. The piece of art is scheduled to fetch up to $700,000. The community in London said its sale would be immoral. Now, after a tug of war, a stenciled rat has appeared nearby.

The U.S. Department of Agriculture says farmers may get a record harvest of corn, and a higher supply of soybeans and wheat in 2013. The corn harvest is expected to be up nearly 40 percent over last year's drought-crippled level.

Chávez returned to Venezuela from Cuba on Monday. He is being treated for cancer at a military hospital.

The actor, nominated for an Academy Award for his role in David O. Russell's film, talks about watching movies with his father as a kid in Philadelphia, his childhood fascination with soldiers and being up against Daniel Day Lewis for an Oscar.

The lawsuit alleges that Armstrong and his team's pervasive doping campaign defrauded the U.S. Postal Service out of more than $31 million in sponsorship fees.