things you could learn reading Cracked.com

Today I learned that some schizophrenia medications inhibit the growth of Toxoplasma gondii, a single-cell parasite that causes schizophrenia in some people. It's much better known as the parasite that reproduces in the guts of cats but lives in cat prey like rats, from whom it removes fear of cats so that they get eaten. I still remember learning about the rats in high school biology.

Also, you can make a 'cool' rocket (one that won't fry your legs) for your jet pack using hydrogen peroxide.