Cutting onions releases a gas which causes a sringing sensation when it comes into contact with your eyes. Your body produces tears to dilute the irriant and remove it from your eyes.

                                     Pumpkins are usually labelled as vegetables but they contain seeds and are techically fruit.

                                     Mc Donalds fast food chains employ 1.5 million people around the world.

                                       The sweet potato is a root vegetable and is not closely related to the potato.