A Venus’s-flower-basket isn’t all show. This stunning deep-sea sponge can also alter the flow of seawater in surprising ways.
A lacy, barrel-shaped chamber forms the sponge’s glassy skeleton. Flow simulations reveal how this intricate structure alters the way water moves around and through the sponge, helping it endure unforgiving ocean currents and perhaps feed and reproduce, researchers report online July 21 in Nature.
Previous studies have found that the gridlike construction of a Venus’s-flower-basket (Euplectella aspergillum) is strong and flexible. “But no one has ever tried to see if these beautiful structures have fluid-dynamic properties,” says mechanical engineer Giacomo Falcucci of Tor Vergata University of Rome.
Harnessing supercomputers, Falcucci
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