The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Out of all the senses, smell is most closely linked to memory.
146
A ball of glass will bounce higher than a ball made of rubber.
73
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
Sound at the right vibration can bore holes through a solid object.
134
If the chemical sodium is dropped into water it will immediately and violently explode.
67