Nearly 50% of the world's scientists are assigned to military projects.
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Aluminum used to be more valuable than gold!
84
Out of all the senses, smell is most closely linked to memory.
146
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
No matter how cold it gets, gasoline will not freeze.
107
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
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