Bill Bowerman, the co-founder of the shoe company Nike, got his first shoe idea after staring at a waffle iron. This gave him the idea of using squared spikes to make the shoes lighter.

Men in their early twenties shave an average of four times a week.

Two objects have struck the earth with enough force to destroy a whole city. Each object, one in 1908 and again in 1947, struck regions of Siberia. Not one human being was hurt either time.

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