Out of all the senses, smell is most closely linked to memory.
146
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
The bark of an older redwood tree is fireproof.
65
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
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
Liquid TIDE laundry detergent glows under a blacklight.
96