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When Kerri Sparling was 7 years old, she was diagnosed with Type 1 diabetes. Her family didn't know anyone with the disease, so they sent her to diabetes camp — "where every single camper had Type 1 diabetes," she says.

"That was my first sense of not only other people who had diabetes, but a true community," says Sparling.

The director of NASA's Jet Propulsion Laboratory said last week that preliminary data showed the possibility that the agency's Mars Science Laboratory – the six-wheeled rover that landed on Mars in August — had found signs of carbon-containing molecules.

As part of the CIA's efforts to diversify its workforce, the spy agency is reaching out to a group that once was unable to get security clearance — lesbians and gay men.

Earlier this week, CIA officials held a networking event for the Miami gay community sponsored by the Miami-Dade Gay and Lesbian Chamber of Commerce and the CIA.

Treasury Secretary Timothy Geithner took to the Sunday talk shows to push the Obama administration's plan to avert the "fiscal cliff," saying that while he was optimistic about a deal with Republicans, there would be no agreement without an increase in tax rates for the top 2 percent of income earners.