The reindeer is the only mammal that can see UV light.
17
Ian McKellen and Patrick Stewart had no idea how to play chess when they appeared in X-Men 2.
54
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13