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A chicken can be hypnotized, or put into a trance by holding its head down against the ground, and continuously drawing a line along the ground

You can have an erection once dead

Alien hand syndrome (or Dr. Strangelove syndrome) is an unusual neurological disorder in which one of the sufferer's hands seems to take on a life of its own.

Fatal hilarity is death as a result of laughter. In the third century B.C. the Greek philosopher Chrysippus died of laughter after seeing a donkey eating figs (hey, it wasn't THAT funny).

Gay bomb is an informal name for a potential non-lethal chemical weapon, which a U.S. Air Force research laboratory speculated about producing.

The phenomenon of male lactation in humans has become more common in recent years due to the use of medications that stimulate a human male's mammary glands.

Bart Simpson's Tomacco (half tomato, half tobacco) was possible

Picking one's nose and eating it might be healthy