‘Old people smell’ is actually caused by a chemical, 2-nonenal, that old people secrete through their skin
8
One human hair can support 3 ounces.
191
The small pocket in the larger pocket of your jeans was designed for pocket watches.
11
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
Author J K Rowling wrote the final chapter of the last Harry Potter book in "something like 1990", seven years before the release of the first book.
7
Although Nostradamus died in the middle of 1566, his 1567 almanac was published because he had the foresight to prepare it before his death.
19

