In zero gravity, a candle's flame is round and blue.
16
One ragweed plant can release as many as one billion grains of pollen!
51
For a high school science fair project, 17-year-old Michio Kaku built a particle accelerator in his parent's garage that was able to generate a magnetic field 20,000 times greater than the Earth's and produce collisions powerful enough to create antimatter.
34
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
The average home creates more pollution than does the average car.
33
A cubic yard of air weighs about 2 pounds at sea level.
31