Out of all the senses, smell is most closely linked to memory.
146
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Diamonds can be shattered with a hammer.
-104
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Aluminum used to be more valuable than gold!
84