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DNA-Based Diabetes Vaccine Could Potentially Aid Millions

Researchers are conducting trials of a vaccine that could help millions of people suffering from Type 1 diabetes, the most severe form. The so-called "reverse" vaccine works in the opposite way of most -- instead of boosting immune responses, it shuts down part of the system that destroys insulin-creating pancreatic cells. Future trials could lead to widespread use, though it'll probably take years.

Obama: 'If You're Married In Massachusetts And You Move, You're Still Married'

At a press conference in Senegal, Obama said that if a gay couple gets married in a state where that's legal, they should be able to move anywhere and still have the marriage recognized -- addressing a major concern about yesterday's Supreme Court ruling that struck down DOMA. He also acknowledged that legally, there were issues that still needed to be resolved for that to happen.

Obama In Africa: Nelson Mandela Is A Hero For The World

Part of Obama's trip to Africa will include a visit to South Africa and to see their ailing former president, Nelson Mandela. The Nobel Peace Prize winner is in critical condition but smiled and opened his eyes when hearing of Obama's visit, according to his daughter. In remarks in Senegal on Thursday, Obama spoke of the anti-apartheid leader saying that if and when he dies, "his legacy is one that will linger on throughout the ages."

He's A Robot, He's A Butler, He's British

Researchers at Carnegie Mellon University created a robot who acts as a butler, accomplishing tasks like heating up food in a microwave or grabbing a book. Using a computer algorithm, the electronic butlers can solve problems and then retain the information to remember how to do so. Turns out, the Jetsons called it.

Meet The Woman Who Single-Handedly Filibustered Texas' Abortion Bill In Pink Sneakers

On Tuesday night, nearly 200,000 people tuned in to watch a live stream of the Texas Senate - high ratings for a legislative debate. They'd tuned to watch the culmination of a day-long process to block (at least for now) a strict new Texas abortion bill, led by one woman, Wendy Davis, whose back-breaking old-fashioned filibuster drew national attention. So who is she?