You cannot sneeze with your eyes open. See more

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

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

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

Astronauts grow taller in space. See more

Your skin weighs about 3.2 kg. See more

One quarter of the bones in your body, are in your feet. See more

Venus is the only planet in the solar system to spin backwards. See more

You're born with 300 bones, but when you get to be an adult, you only have 206. See more