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National Institute of Environmental Health Sciences Kids Pages, games, music, and other activities that introduce children to the impact of the environment on health

Biggest Optical Illusions blog. Dedicated to visual phenomena and real life illusions. Daily updated.

Beliefs create mental barriers and have caused violence, ignorance, and intolerance. Do we need to believe at all?

eyetricks.com provides a wide selection of online optical illusions and other mind teasing oddities.

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Archive of optical illusions and weird illusions to challenge your mind. Many of these optical illusions can boggle anyone.

User submitted and ranked brain teasers, riddles, quizzes, trivia, logic problems and mind puzzles. Free online games and message boards.

Home of hypnotherapist Rick Collingwood & his award winning hypnosis CDs & MP3s. Mind Motivations is one of the largest hypnosis websites, training organizations and resource centers in the world.

Optical Illusionist, your source for mind boggling optical illusions and puzzles.

Discover interesting content from internet, Funny Articles and Funny Pictures | FunnyPik.com

YouTube is a place to discover, watch, upload and share videos.

Miss O & Friends, created by girls for girls, offers games, creative activities, an online magazine and a special club just for tween and teen girls.