In 2011, there were 3 known cases around the world of twins coming from different fathers.
30
Condoms were originally made of animal intestines or linen.
347
In Korea, if you do not receive any gift on Valentine's day then all the singles go to Korean restaurants and eat black noodles to celebrate (or mourn) their single status.
28
Mathematical proof that 1+1=2 takes 162 pages to explain in the three volume work “Principia Mathematica”.
35
More than 2,500 left handed people a year are killed from using products made for right handed people.
260
The little bags of netting for gas lanterns (called 'mantles') are radioactive...so much so that they will set of an alarm at a nuclear reactor.
138
Historically, sweat has been an active ingredient in perfume and love potions.
309