Cold water weighs more than hot water.
93
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Nylon is made from coal and petroleum.
42
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
Hot water can freeze faster than cold water.
181
Most dust particles in your house come from dead skin.
48
Scientists in Germany have developed a candy that doesn't cause cavities.
11