Cricket chirping can tell the temperature outside. Counting how many times a cricket chirps in 15 seconds and then adding 40 to that number will approximately tell you what the temperature is in Fahrenheit.

One of the reasons marijuana is illegal today because cotton growers in the 30s lobbied against hemp farmers -- they saw it as competition. It is not chemically addictive as is nicotine, alcohol, or caffeine.

Pluto takes 248 years to orbit the sun once.

AMAZING FACTS