Meet Sandy, the left-handed mutant snail

from  Brains On! Science podcast for kids

Feb 6, 2018

Sandy is a mutant snail whose shell coils to the left instead of the right. For humans, being left-handed or right-handed can definitely affect the way we experience life. Usually, that mismatch is just a minor nuisance — but sometimes, sidedness can change the future of an entire species, as is the case for Sandy. High school senior Alex Bairstow from Carlsbad, California found a very odd European garden snail. This kind of snail is usually dextral, meaning its shell is coiled up on the right s...more

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