Contrary to popular belief, algae are more than slimy pieces of seaweed––in addition to producing about half of the oxygen released into the atmosphere every day, the plants are a powerful tool for cleaning the environment.
Walter Adey, an emeritus research scientist at the Smithsonian’s National Museum of Natural History, is a pioneer of the algae field. He discovered algae’s potential in the 1970s and has been refining his “algal turf scrubber,” which purifies water by filtering out extra nutrients, ever since.
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