The only letter not appearing on the Periodic Table is the letter "J".
180
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
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
Scientists in Germany have developed a candy that doesn't cause cavities.
11
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
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
One barrel of petroleum holds 42 gallons.
20