We depend on electricity in almost everything that we do. It gives us heat, light, transportation and entertainment. Electricity has always existed, but it is o

We could not live without water. Almost two-thirds of our body weight is water. We rely on it to keep ourselves clean, to keep our bodies nourished, and to get

We depend on electricity in almost everything that we do. It gives us heat, light, transportation and entertainment. Electricity has always existed, but it is o

Sticking sharp needles into small children doesn't sound like a nice thing to do – but sometimes you have to 'be cruel to be kind'. Since the 18th century, im

Can you imagine what your life would be like without glass? You use glass every day, from the mirror you look in when you wash your face in the morning to the b