Indoor pollution is 10 times more toxic than outdoor pollution.
62
One ragweed plant can release as many as one billion grains of pollen!
51
Cold water weighs more than hot water.
93
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
Out of all the senses, smell is most closely linked to memory.
146
Scientists aren't sure what color dinosaurs were.
312