Dark Matter, Mice, Crowd Wisdom
Show: NOVA scienceNOW --> Season: 3 - Season 3
AirDate: 6/25/2008
Runtime:
Voting: 0 (0)

Overview: Dark Matter - Turns out most of the universe is held together by a mysterious, invisible substance. Of Mice and Memory - Mice placed in enriched environments can recover lost memories, giving hope to those who study Alzheimer's. Profile: Hany Farid - This self-proclaimed "accidental scientist" is a digital detective inventing new ways to tell if photos have been faked. Wisdom of the Crowds - Ask enough people to estimate something, and their combined guesses will get you surprisingly close to the right answer.