Science: In Imitation of Birds

Sitting on high-tension wires is obviously for the birds. When a bird flutters down from the air and perches on a hot wire, the deadly current rushes about inside the body but, since it is not grounded, can go no farther and does no harm. Squirrels run greater electrical risks, but it is their own fault: they have a habit of nuzzling each other. A lone squirrel can scoot safely back and forth across a wire, but when a squirrel on a charged line touches noses with a friend on a grounded tower, or...

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