Isaac Asimov is the only author to have a book in every Dewey-decimal category.
90
Erotomania is a type of delusion in which the person believes another person is in love with him/her.
38
If your skin is laid flat it will cover an area of 18 square feet.
95
If you yelled for 8 years, 7 months and 6 days, you would have produced enough sound energy to heat one cup of coffee.
1k
Condoms were originally made of animal intestines or linen.
347
All the chemicals in a human body combined are worth about 6.25 euro (if sold separately).
266
99% of people cannot lick their elbow.
253