Fine-grained volcanic ash can be found as an ingredient in some toothpastes.
55
There is a superhero supply store in Brooklyn with a cape fitting room that has a wind tunnel. They also sell oxygen gum, bottled chaos and have an invisibility testing center.
18
More than 50% of Americans fall asleep on their sides.
86
One in five long-term love relationships began with one or both partners being involved with others.
177
People who laugh more are better able to tolerate pain - both physical and emotional.
36
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
There are 365 steps on the front of the U.S. Capitol Building - one for every day of the year.
50
Cash machines are as dirty as public toilets.
174