A world without them might not be as nice as we might think...
Although ants usually communicate through smell, they also use sound to send distress calls and warnings about danger. Since they don’t have ears, scientists believe that they sense sound vibrations in their knees.
A recent study of bugs and bug zappers has shown that while there’s enough electrical energy here to zap the fly, there’s not enough to harm any germs the fly might be carrying. What do you think happens to all those germs?