Have you discovered ted.com?

TED stands for Technology, Entertainment, Design. It started out (in 1984) as a conference bringing together people from those three worlds. Since then its scope has become ever broader. The annual conference now brings together the world's most fascinating thinkers and doers, who are challenged to give the talk of their lives (in 18 minutes). This site makes the best talks and performances from TED available to the public, for free.
Three of my favorite talks are--

Jill Bolte Taylor, Neuroanatomist: My Stroke of Insight
Brain researcher, Jill Bolte Taylor, studied her own stroke as it happened—and has become a powerful voice for brain recovery.

Eva Vertes, Microbiology Prodigy: The Future of Medicine
Eva’s discovery, at age 17, of a compound that stops fruit-fly brain cells from dying was regarded as a step toward curing Alzheimer's. Eva was only 19 when she gave this talk in which she discusses her journey toward studying medicine and her drive to understand the roots of cancer and Alzheimer’s.

Elizabeth Gilbert, Author of Eat, Pray, Love: Nurturing Creativity
The author of Eat, Pray, Love, Elizabeth Gilbert has thought long and hard about some large topics. Elizabeth muses on the impossible things we expect from artists and geniuses -- and shares the radical idea that, instead of the rare person "being" a genius, all of us "have" a genius. It's a funny, personal and surprisingly moving talk.

Enjoy the mind candy.
Barbara