The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Scientists in Germany have developed a candy that doesn't cause cavities.
11
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
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
The smell of freshly cut grass is actually a plant distress call.
31
The only letter not appearing on the Periodic Table is the letter "J".
180