Molluscs are champion shell makers 🐚 Marine biologist Helen Scales told us how they make their shells using calcium carbonate — the same chemical compound as chalk. To dive into the spiralling world of seashells and the bizarre animals that make them, watch the full talk here: youtube.com/watch?v=n796FoQjOHI | Royal Institution of Great Britain
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Molluscs are champion shell makers 🐚 Marine biologist Helen Scales told us how they make their shells using calcium carbonate — the same chemical compound as chalk. To dive into the spiralling world of seashells and the bizarre animals that make them, watch the full talk here: youtube.com/watch?v=n796FoQjOHI | Royal Institution of Great Britain
156.3K viewsMay 6, 2025
FacebookRoyal Institution of Great Britain
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Shells are created by (and attached to) soft-bodied mollusks like clams, scallops, oysters, sea snails. The mollusk absorbs minerals from the ocean, then secretes layers of calcium carbonate with proteins to build its shell bigger and stronger as it grows. The shell is what protects the mollusk. When the mollusk dies, the empty shell is left behind and will no longer grow. #seashells #lightningwhelk | Let's Go Shelling
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