9 years ago
2
Husband-and-wife scientists take on black muck clogging Chesapeake Bay
Using three experimental tanks at the Naval Academy, they’re attacking the gunk as if it were in a septic tank.
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http://www.washingtonpost.com
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"One oyster typically cleans seven to 10 gallons of water per day". I had no idea those things could process water so quickly.
Same here. I'm impressed.