A video of the inspirational Richard Feynman lecturing to fertile young minds about how the process of scientific discovery works.
Reposted from http://youtu.be/EYPapE-3FRw
For another interesting take on what makes science special, please see PhilosophyFreak's excellent video on Cognitive Biases and the Authority of Science: http://youtu.be/hZkkY2XVzdw