Out of all the senses, smell is most closely linked to memory.
146
Scientists are now able to grow 'beating' heart tissue in a lab!
162
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
The average home creates more pollution than does the average car.
33
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Billions of neutrinos pass unnoticed through your body every second.
6
Scientists in Germany have developed a candy that doesn't cause cavities.
11