The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Sound travels about 4 times faster in water than in air.
408
For a high school science fair project, 17-year-old Michio Kaku built a particle accelerator in his parent's garage that was able to generate a magnetic field 20,000 times greater than the Earth's and produce collisions powerful enough to create antimatter.
34
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
The average home creates more pollution than does the average car.
33