Scientists are now able to grow 'beating' heart tissue in a lab!
162
Iron weighs more after it rusts.
68
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
No matter how cold it gets, gasoline will not freeze.
107
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
One ragweed plant can release as many as one billion grains of pollen!
51
Diamonds can be shattered with a hammer.
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Balsa wood is classified as a hard wood!
41