In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Your brain is 80% water.
525
Iron weighs more after it rusts.
16
Nylon is made from coal and petroleum.
42
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Most dust particles in your house are made from dead skin!
67
Iron weighs more after it rusts.
68