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.

Carl Sagan was a pot smoker.

The New York City subway system, in an effort to raise revenue, is considering selling sponsorships of individual stations to corporations. Riders could soon be getting off at Nike Grand Central Station or Sony Times Square.

AMAZING FACTS