To Believe - Hard

: The Turritopsis dohrnii is a species of jellyfish that can theoretically live forever by reverting to its juvenile polyp stage after reaching maturity.

: France was still using the guillotine for executions as late as 1977—the same year the original Star Wars was released in theaters. Bizarre Science & Nature Facts Hard To Believe

: In a 22-year window (1843–1865), it was theoretically possible for a Japanese samurai to send a fax to Abraham Lincoln . : The Turritopsis dohrnii is a species of

: Cleopatra lived closer to the invention of the iPhone and the first moon landing than she did to the construction of the Great Pyramids. Hard To Believe

: Human stomach acid is strong enough to dissolve a single-edged razor blade in about two hours.