1. There is a jellyfish that can revert completely to a sexually immature, colonial stage after reaching sexual maturity, making it biologically immortal.
2. Screech owls keep little snakes as housekeepers.
3. “twelve plus one” is an anagram of “eleven plus two.” (12+1 = 11+2)
4. The medical term for brain freeze is sphenopalatine ganglioneuralgia.
5. If you drove a car straight up to outer space, it would take you an hour to get there.