A domestic cat can sprint at about 31 miles per hour.
274
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
It would take more than 150 years to drive a car to the sun.
569
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
Drinking watermelon juice before a workout helps reduce muscle soreness.
21
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The Aztecs were the first to serve chocolate as a drink. They also mixed it with hot chili pepper to make it really 'hot'.
13