The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19
Most lipstick contains fish scales!
46
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
It's impossible to kill yourself by holding your breath.
22
There are over 16,251 full-service restaurants in the vicinity of NYC. You could visit one every day for 40 years and still not have visited them all. This excludes counter service restaurants and cafeterias.
5
The first toilet being flushed in a motion picture was in the movie Psycho.
67
Sunflowers can be used to clean up radioactive waste.
17
If left alone, 70% of birthmarks gradually fade away.
193