We're aflutter with politics today. First, people are flocking to ScienceDebate2008, a group attempting to get clear stances from political candidates about their scientific views. Barack Obama stepped up and answered the group's 14 questions (John McCain has said he will answer them too).

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By analyzing tweets, Canadian researchers examine the public's view of gene patenting.

In Science this week: issues in reproducibility, circulating DNA predicts breast cancer relapse, and more.

Because of an autoimmune disorder, a man has been shedding live polioviruses for 28 years, according to an analysis appearing in PLOS Pathogens.

Being in a long-term collaboration can increase researchers' citation rates by 17 percent, a recent analysis says.