Brass doorknobs automatically disinfect themselves in about 8 hours.
18
A cesium atom in an atomic clock beats over nine billion times a second.
43
Out of all the senses, smell is most closely linked to memory.
146
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
Your brain is 80% water.
525
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6