I took a look at Hands Roslings TED talk and it was interesting; but YouTube sucked me (as it is wont) from there to:
Which is high-larious. The first 2:57 is the TED talk, about growing houses in test tubes that use sphincter muscle for doors and windows; and the remainder of the 5:28 is a rebuttal from the corps that are freaked the "f" out at the prospect.