One ragweed plant can release as many as one billion grains of pollen!
51
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
The only letter not appearing on the Periodic Table is the letter "J".
180
Hot water can freeze faster than cold water.
181
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Most dust particles in your house come from dead skin.
48