The oldest glowing lightbulb was first switched on in 1901 and lives in fire stations in Livermore, CA. It is known as the Centennial Light.
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A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
The strangers in your dreams are actually people that you've seen in real life.
50
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14