Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
Your brain is 80% water.
525
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Out of all the senses, smell is most closely linked to memory.
146