They're neither white and gold or black and blue. But in an optical puzzle akin to The Dress, colourful snails are causing scientists turn to technology to definitively decide whether some snails' ...
Snails can hide in their shells for months or even years, slowing metabolism and sealing in moisture to survive harsh conditions.
It was huge. Its light brown shell stood taller than the tip of my shoe. Its yellowish-green body stretched about an inch ...
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