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Apparently you retain more knowledge after a good night's sleep, so perhaps if you sleep on these Science Project Pillows, you'll retain even more. Granted, you'll have to study them each night just before falling to sleep and that might be difficult considering they're so...basic, but anything helps.

Designed by Heather Lins, the Science Project Pillows include Geology (the volcano), Botany (the flower), and Anatomy (the human). They are currently on sale for $176.