Out of all the senses, smell is most closely linked to memory.
146
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Iron weighs more after it rusts.
16
No matter how cold it gets, gasoline will not freeze.
107
A ball of glass will bounce higher than a ball made of rubber.
73
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
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
German scientists claim to have evidence that suggests that our universe may exist inside of a computer simulated Matrix.
18