You can see that things gradually become more terrifying : Five of the six alkali metals and their reactions to air and water. Learn more at the Periodic Table Of Videos. Lithium, Sodium, Potassium, Rubidium, Cesium (Caesium), and the elusive Francium.
posted by The Whelk on Nov 18, 2009 - 29 comments

Molecular Movies features cell and molecular animations, along with animation tutorials. [more inside]
posted by Korou on Jan 30, 2009 - 5 comments

Welcome to the world of pinball promo videos. Need more? Well, CaptainPinball has you covered...
posted by tittergrrl on May 5, 2008 - 22 comments

Feel good hit of the year; Discovery Channel's 'I Love the Whole World' ad [more inside]
posted by oxford blue on Apr 19, 2008 - 103 comments

Who needs a movie? (SLYTP) [more inside]
posted by allkindsoftime on Mar 12, 2008 - 83 comments

Top ten chemistry videos. (Wired, YouTube)
posted by loquacious on Mar 2, 2008 - 12 comments

Guy playing a guitar on a trampoline.
posted by loquacious on Oct 29, 2007 - 30 comments