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Сезон 5, Серия 8
Sea, Sand and Scopes
A marine biologist shows how anemones could help save coral reefs; how to make kinetic sand; powering a light bulb with lemons; how to make a microscope at home.
A marine biologist shows how anemones could help save coral reefs; how to make kinetic sand; powering a light bulb with lemons; how to make a microscope at home.
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