The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
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
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
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
The sun is 330,330 times larger than the earth.
75
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65