Iron weighs more after it rusts.
16
Scientists are now able to grow 'beating' heart tissue in a lab!
162
The average home creates more pollution than does the average car.
33
Most dust particles in your house are made from dead skin!
67
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
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
Diamonds can be shattered with a hammer.
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