Out of all the senses, smell is most closely linked to memory.
146
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Nylon is made from coal and petroleum.
42
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Pure water (H2O) does not conduct electricity on its own.
46
Billions of neutrinos pass unnoticed through your body every second.
6
One third of the electricity produced on earth is used to power electric light bulbs!
75
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7