Researchers have found a fridge-free way to store vaccines and antibiotics. Biomedical engineer David Kaplan, senior author of the study in the Proceedings of the National Academy of Sciences, discusses how heat-sensitive drugs wrapped in silk stay effective for months at high temperatures.
Melissa Block speaks with political scientist Lawrence Jacobs of the University of Minnesota about the history of public opinion toward the extension of government social programs including Social Security and Medicare.
The World Health Organization says an investigation found that the fast majority of illnesses and deaths were the result of a severe form of hand, foot and mouth disease. Why it was fatal to so many children isn't clear.
There were 39 laws restricting abortion enacted in the first half of 2012. While that's less than half the 80 put in place during the first half of last year, the number of laws already on the books for 2012 is higher than any other year before 2011.
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