Nearly 50% of the world's scientists are assigned to military projects.
71
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Most dust particles in your house come from dead skin.
48
Cold water weighs more than hot water.
93
No matter how cold it gets, gasoline will not freeze.
107
Most dust particles in your house are made from dead skin!
67
German chemists made a replica of a trophy the size of one molecule.
68
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117