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
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 earth is approx. 6,588,000,000,000,000,000 tons.
175
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
Balsa wood is classified as a hard wood!
41
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Nylon is made from coal and petroleum.
42
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199