The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
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
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
The sun is 330,330 times larger than the earth.
75
One barrel of petroleum holds 42 gallons.
20
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
One cubic foot of gold weighs more than 1,200 pounds!
78
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