In 1976, an underachieving Princeton junior undergraduate wrote a term paper detailing how to make a nuclear bomb. He got an "A", but never got his paper back because it was seized by the FBI.
16
Fine-grained volcanic ash can be found as an ingredient in some toothpastes.
55
A fire in Australia has been burning for more than 5,000 years!
91
By peeing in the shower, you can save 1,157 gallons of water a year.
31
Not swinging your arms when you walk increases the effort of walking by 12%, the equivalent of walking 20% faster or carrying a 10 kg backpack.
12
There are 293 ways to make change for a dollar.
148
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
