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Photos by Chris Ellenbogen.
The sprawling six-bedroom house in Bethesda’s Bannockburn neighborhood has plenty of luxe features. Its nearly acre-sized lot, for instance, or its walls of windows, or the glass-enclosed home office that seems to float among the trees.
But some of its most impressive traits aren’t so easy to spot. Like the fact that it’s constructed almost entirely of aerated concrete blocks designed for exceptional thermal insulation. Or that it was positioned on its lot to capture the optimal amount of warmth from the sun. Or that it runs on a geothermal system that, despite the house’s more than 6,000 square feet, keeps monthly utility bills under $300.
Největšími mistři v samoléčbě jsou zvířata. Zbaví se sami parazitů i bolavých kloubů frekvence1.cz - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from frekvence1.cz Daily Mail and Mail on Sunday newspapers.
Not for the longfin damselfish, who has turned the planktonic mysid shrimp into a virtual farmhand.
The tiny shrimp have been trained to help the damselfish fertilize the algae farms that make up its diet, according to a new study out of Australia.
This may be the first instance of a non-human species domesticating another species.
Understanding how the damselfish has trained the mysids could reveal insights into how humans first domesticated dogs, chickens and other animals.
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Researchers in Belize found longfin damselfish have trained tiny mysid shrimp to fertilize their algae farms, in what s believed to be the first evidence of a non-human species domesticating another species