The algal scrubber in action. Courtesy of Smithsonian Sidedoor Listen to this episode of Sidedoor, the Smithsonian podcast that explores behind-the-scenes stories from the Institution, for more ...
The code has been copied to your clipboard. “Nature sometimes isn’t pretty,” said University of Maryland environmental scientist Peter May, grabbing a clump of slimy green-brown gunk. That gunk lines ...
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