Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Diamonds can be shattered with a hammer.
-104
The bark of an older redwood tree is fireproof.
65
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
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
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5
The sun is 330,330 times larger than the earth.
75