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 hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Iron weighs more after it rusts.
68
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Out of all the senses, smell is most closely linked to memory.
146