Discover what your brain does (and doesn't!) perceive: Mind Lab2.
Listen to moving stories from ordinary people interviewed by their loved ones: StoryCorps.org3.
Take part in real-life cognitive research projects, and learn where your mental strengths lie: TestMyBrain.org4.
Do you see what others see? Find out with this interactive color test: XRrite.com
; click on Color IQ box. 5.
Play weirdly wonderful games (be a pelican diving for fish! knock out the spiders that want your cake!) with incongruously soothing soundtracks: FerryHalim.com6.
Surf the web on a guided tour eerily tailored to your tastes and interests, with an ever-changing Shuffle-like assortment of entertaining sites: StumbleUpon.com7.
Test your vocabulary while fighting world hunger (for every word you define correctly, the site makes a donation to the UN's World Food Programme): FreeRice.comNext: 5 more ways to discover the best of the web (no Googling required)