In their early careers, Sylvester Stallone and Jackie Chan both took part in porn.
11
At 15 years old, Jack Andraka invented a method of diagnosing pancreatic cancer, thus helping to save the lives of millions of people around the world. It is 168 times faster, 26,000 times cheaper, 400 times more sensitive, and has a 99% success rate.
15
A man named Ziona Chana lives in a 100 room, four storey house set amidst the hills of Baktwang village in the Indian state of Mizoram and has the world's biggest family with 39 wives, 94 children, 14 daughters-in-law and 33 grandchildren.
-2
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
A monk had once written over a book that contained information about calculus that was written by Archimedes in ancient Greece that could have made us 100 or even 1000 years more mathematically and technologically advanced.
13