Electricity doesn't move through a wire but through a field around the wire. See more

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

More than 50% of the people in the world have never made or received a telephone call. See more

A sneeze travels out of your mouth at over 100 mph! See more

The screwdriver was invented before the screw. See more

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

The can opener was invented 48 years after cans were introduced. See more

Due to gravitational effects, you weigh slightly less when the moon is directly overhead. See more

Astronauts grow taller in space. See more