In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Scientists are now able to grow 'beating' heart tissue in a lab!
162
Pure water (H2O) does not conduct electricity on its own.
46
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
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
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