Joshua Landis, director of the Center for Middle East Studies at the University of Oklahoma talks to anchor Lisa Mullins about the impact Bin Laden's death may have on what some are calling the "Arab Spring."
The wives of the German and British ambassadors to the UN have released a video urging Syria's first lady to help end the bloodshed. The film, posted on YouTube, asks Asma Al-Assad to urge her husband, Bashar Al-Assad, to stop violent repression.
Joshua Landis, director of the Middle Eastern Studies program at the University of Oklahoma tells host Marco Werman that more assertive US intervention in Syria is unlikely to quell the violence there.
What you eat ends up in your hair. Scientists in the US and Europe have used this basic idea to devise a sort of hair-based GPS tracking system. Law enforcement agencies are now using this technique to solve crimes. NOVA's Ari Daniel Shapiro reports.