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NOVA scienceNOW - Dark Matter, Of Mice and Memory

Seizoen: 3 - Aflevering: 1 / 12 - Eerst uitgezonden: 25 juni 2008 - Episode ID: 198812

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.