Snails have five distinct types of mucus, each with its own job. The mollusks tweak calcium secretions to get the chemical mixture just right.
Snails have five distinct types of mucus, each with its own job. The mollusks tweak calcium secretions to get the chemical mixture just right.
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Food contains thousands of overlooked chemicals. This physicist is mapping them 
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Newborn survival improves when families receive financial support 
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Syria’s undocumented children ‘pay the price’ of war and a law that shuts out mothers 
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