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.
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Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
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It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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Only about 2% of the world population has green eyes.
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Iceland has been so culturally isolated through history since the Vikings, that compared to other Scandinavian counties, people who speak Icelandic can still read the old Norsk sagas.
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