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
On average, every dollar bill you touch has over 3,000 different types of bacteria.
8
On average, 100 people choke to death on ballpoint pens every year.
72
The weight of air in a milk glass is about the same as the weight of one aspirin tablet.
63
It's impossible to sink in the Dead Sea without equipment!
72
Sunflowers can be used to clean up radioactive waste.
17
The streets of Victor, Colorado, once a gold rush town, are paved with low-grade gold.
78