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Research murky on danger of Asian carp invasion in Illinois River

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This June 22, 2012, photo shows Asian carp, jolted by an electric current from a research boat, jumping from the Illinois River near Havana, Ill. Scientists at a network of field stations on the Mississippi and Illinois rivers are using electric currents to stun fish so they can be scooped up and...

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HAVANA, Ill. (AP) — As scientists aboard a research boat activate an electric current, the calm Illinois River transforms into a roiling, silvery mass. Asian carp by the dozen hurtle from the water as if shot from a gun, soaring in graceful arcs before plunging beneath the surface with splashes resembling tiny geysers.

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