CERN's Large Hadron Collider is (nearly) up and running again, smashing protons and ions together at just under light speed to see what little bits come out: things with funny names like hadrons, gluons, bosons, beauty quarks, etc.
A group of scientists and professors from the University of Nottingham put together the best coverage of the LHC I've seen yet:
http://www.youtube.com/v/OzR4eXIz_uA
And the web site of the producers of that clip, sixtysymbols.com, is chock-full of similarly fascinating videos covering fundamental concepts in astrophysics. Well worth a look if you're into this sort of thing.
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