Instructional Video4:34
Science360

Dark Matter Detection with XENON100

12th - Higher Ed
Dark matter has so far foiled most means of detection, but researchers are continuing to pursue its mysteries. They're using the most sensitive detector yet, called XENON100, to try to glimpse the particles. See how it works in this...
News Clip0:57
AFP News Agency

CLEAN : School pays tribute to murdered teacher as pupils return to class

9th - Higher Ed
After a two-week holiday, 12 million pupils return to school in France (Footage by AFPTV via Getty Images)