Pumice is the only rock that floats on water.
14
Hot water can freeze faster than cold water.
181
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
Liquid TIDE laundry detergent glows under a blacklight.
96
Diamonds can be shattered with a hammer.
-104
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
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20