Balsa wood is classified as a hard wood!
41
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
The force of a suction cup is calculated using F=AP.
15
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Pumice is the only rock that floats on water.
14
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13