The Vikings used wool to wipe their butts.

The basilisk lizard from the Central American rain forest can walk on water. It takes about 20 steps per second.

According to a study at the University of Pécs in Hungary, women seek out men who look like their dads. Women find these features comfortingly familiar. Guys tend to look for a woman who resembles their mother, too.

North Dakota is the only state without an earthquake experience.

According to researcher James Chin-Wen Chou, climbing up steps will age you faster, adding up to about 90 billionths of a second over a 79-year lifespan.

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