The deepest hole ever made in the world (in Texas) is as deep as 20 empire state buildings but only 3 inches wide. See more

Hot water weighs less than cold water for a given volume. See more

Soccer is the most attended or watched sport in the world. See more

The magnetic North Pole shifts by about 7 meters a day. See more

More than 20% of the votes in the 2001 elections in Argentina were invalid. See more

A rat can last longer without water than a camel. See more

365 different languages are spoken in Indonesia. See more

Astronauts grow taller in space. See more

Lightning bolts can sometimes be hotter than the sun (about 50,000 ºF, 27,760 ºC). See more