In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Scientists aren't sure what color dinosaurs were.
312
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Most dust particles in your house come from dead skin.
48
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Nylon is made from coal and petroleum.
42