Cold water weighs more than hot water.
93
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
One barrel of petroleum holds 42 gallons.
20
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
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
Pumice is the only rock that floats on water.
14
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3