<http://schema.org/description>
"Researchers have found that the bumpy protrusions, known as tubercles, on the leading edge of humpback whale flippers can be applied to underwater turbine blades to more efficiently convert low velocity ocean tidal flow energy into electricity.   "^^<http://www.w3.org/2001/XMLSchema#string>
<http://newatlas.com/whale-inspired-bumps-improve-efficiency-of-ocean-turbine-blades/17094/>