Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
No matter how cold it gets, gasoline will not freeze.
107
Out of all the senses, smell is most closely linked to memory.
146
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
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
The sun is 330,330 times larger than the earth.
75
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Aluminum used to be more valuable than gold!
84