Most dust particles in your house come from dead skin.
48
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
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
One third of the electricity produced on earth is used to power electric light bulbs!
75
A ball of glass will bounce higher than a ball made of rubber.
73
The sun is 330,330 times larger than the earth.
75
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
The average home creates more pollution than does the average car.
33