Nova Sciencenow

Series 4, Episode 1

Season 4, Episode 1 of 8

Breakthroughs in the engineering of artificial diamonds; the science that went into solving the deadly post - 9/11 anthrax attacks and the ingenious technique researchers developed to pinpoint the source; "AutoTune," the controversial computer pitch-correction software that turns sour notes into sweet ones; and a profile of computer scientist Luis von Ahn.

Previously Aired

Day
Time
Channel
6/30/2009
9 p.m.
7/1/2009
2 a.m.
7/3/2009
10 p.m.
7/4/2009
3 a.m.
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