One third of the electricity produced on earth is used to power electric light bulbs!
75
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Iron weighs more after it rusts.
16
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
Scientists are now able to grow 'beating' heart tissue in a lab!
162
A ball of glass will bounce higher than a ball made of rubber.
73