Iron weighs more after it rusts.
16
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
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
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
If the chemical sodium is dropped into water it will immediately and violently explode.
67
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7