The Caspian Sea is also classed as the world's largest lake.
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Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
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A cauliflower that weighs almost 72.5kg has broken the world record by almost 3kg.
5
Adam Rainer is the only person in recorded history ever to have been both a dwarf and a giant. At age 18 he measured 4 feet 8.3 inches. When he died at age 50 he measured 7 feet 8 inches.
9
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Any domino can knock over another object up to 1.5x its size. The 32nd object would be big enough to knock over the Empire State Building.
18
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.
6