A species of dolphin is born naturally blind in the Indus and Ganges rivers in South Asia. These dolphins have a highly sophisticated sonar system and swim on only one side of their body.

When Black Jack Ketchum was hung back in 1901 in Clayton New Mexico, the noose actually ended up taking his head off. The head had to be sewn back on so Black Jack could be buried properly.

There are 1,575 steps from the ground floor to the top of the Empire State building.

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