Sunflowers can be used to clean up radioactive waste.
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The world’s smallest book, “Teeny Ted from Turnip Town”, is 100×70 micrometers in size and requires a scanning electron microscope to read, as light beams are too large.
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An olive tree can live up to 1,500 years!
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Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
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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Teddy bears were named after U.S. President Theodore 'Teddy' Roosevelt.
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Stilts were invented by French shepherds who needed a way to get around in wet marshes.
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