NOVA scienceNOW

Season 3 Episode 1: Dark Matter, Mice, Crowd Wisdom

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.

Genre:

Documentary, News

Seasons:

6

Episodes:

40

Cast:

David Pogue, Ziya Tong, Peter Standring

Quality:

HD

Duration:

55 min

First Air:

2005

Rating:

8.0