A placebo can take the form of a sugar pill or even a fake surgery. It's often used to test the effectiveness of a trial drug. Ted Kaptchuk, director of Harvard University's Program in Placebo Studies and the Therapeutic Encounter, discusses potential applications for the healing power of placebos.
A federal advisory board has urged scientific journals not to publish the research from two labs that have developed an airborne flu virus. Microbiologist Vincent Racaniello discusses why the move sets a bad precedent. Biosecurity expert D.A. Henderson talks about the risks of publishing the research.
When it comes to unemployment reports in an election year, it's not just the data — it's also the spin.
Friday's jobs report could be seen as good news — at 8.5 percent, it's the lowest in three years. Good news for President Obama? Not according to Republican presidential hopeful Mitt Romney, who lost no time in pointing out that the number is still above 8 percent — the figure that the president said would be the worst case under his 2009 stimulus package.