There are no clocks in Las Vegas gambling casinos.
637
Erotomania is a type of delusion in which the person believes another person is in love with him/her.
38
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
Isaac Asimov is the only author to have a book in every Dewey-decimal category.
90
Rubberbands last longer when refrigerated.
370