Study: Left-Handed Snails Have Advantage

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Study: Left-Handed Snails Have Advantage

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NEW HAVEN, Conn. - Left-handed snails are better than righties at defending against predators, according to a new study that suggests lefties have the same competitive advantage in nature that they enjoy on the baseball diamond or in the boxing ring.

The study, published in this month's Royal Society Biology Letters, suggests that snails whose shells coil toward the left were more likely to survive crab attacks than those whose shells coil toward the right.

"It's just a frequency issue," said Yale geologist Gregory P. Dietl, one of the study's authors. "As long as you're rare, you're going to have an advantage."

The researchers studied about 1,800 snail fossils, looking for scarring evidence of a predator attack. Scarring was found more frequently on right-handed snails, the study said.

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OK Lefties, even snails have an advantage being left handed.

snail.jpg - 30.44kb
By YCON: posted on 24-3-2006








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