| The back of your hand is called the 'Opisthenar'. |
| Jellyfish evaporates in the sun because they are of 98% water. |
| According to NASA, the moon smells like gunpowder. |
| It's possible to permanently change a brown eyes to blue using a specific type of laser eye surgery. |
| Any free-moving liquid will form itself into a sphere in outer space because of its surface tension. |
| Boeing 747's wing span is longer than the Wright brother's first flight. The Wright brother's invented the airplane. |
| Every year, over one million earthquakes shake the Earth. |
| The Earth spins at 1,000 mph but it travels through space at an incredible 67,000 mph. |
| The speed of light is generally rounded down to 186,000 miles per second. In exact terms it is 299,792,458 m/s (equal to 186,287.49 miles per second). |
| It takes 8 minutes 17 seconds for light to travel from the Sun's surface to the Earth. |