Name the scientists who studied the movement of pollen grains suspended in water through a microscope. what is this phenomenon known as?
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In 1827 the botanist Robert Brown noticed that if you looked at pollen grains in water through a microscope, the pollen jiggles about. He called this jiggling 'Brownian motion', but Brown couldn't understand what was causing it.
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in 1827 Robert botanist brown
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