Brass doorknobs automatically disinfect themselves in about 8 hours.
18
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Scientists in Germany have developed a candy that doesn't cause cavities.
11
The sun is 330,330 times larger than the earth.
75
The average home creates more pollution than does the average car.
33