Scientists believe that the event leading to the extinction may have been a massive asteroid impact or huge volcanic activity. Events such as these could have blocked out sunlight and significantly changed the Earth's ecology.

The Hubble telescope is so powerful that it is like pointing a beam of light at a dime that is two hundred miles away.

The microwave oven was invented after a researcher walked by a radar tube and a chocolate bar melted in his pocket.

AMAZING FACTS