A.J. Ayer to discuss the philosophical movement of the 20th century known as, Logical Positivism. It seem TV had it's glory days some time ago. And remember folks, don't judge the tv-show by the face of the host.
Hard decisions: Holy ghost, random luck or a complex neurological process?
Well, there is no randomness in the brain, it's just a few million years of trial and error in a feed-back-loop showing it's results. Works ok, but don't drink and drive.
James Surowieck pinpoints the moment when social media became an equal player in the world of news-gathering: the 2005 tsunami, when YouTube video, blogs, IMs and txts carried the news