* Astronomy

Motor boat turbulence kills zooplankton in estuaries

Turbulence generated by speeding motor boats kills significant numbers of zooplankton, a study has revealed for the first time.
Experiments on copepods, tiny crustaceans that live and float in water, show that a third die in waters frequented by propeller-driven boats.
That is significantly more than in bodies of water not used by boats.
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