Killer whales that live in captivity with dolphins can learn their complicated language, and they eventually begin to use it.  Source
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The ghosts in Pac-Man each have different behaviors: Red is the only one that will constantly chase you, Pink stays 32 pixels in front of Pac-Man’s mouth, Blue tries to stay in a fixed location, and Orange is completely random. Source
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Eating right before you go to bed can give you nightmares.  Source
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Iris Grace is a 5-year-old autistic girl who had trouble communicating until she developed her love of painting. Now she has a BFF, her therapy cat Thula, and her critically acclaimed paintings sell at auction for thousands of dollars.  Source
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