Helen Scales considers the human use of sea shells - as fertility symbols, jewellery and currency. Show more
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Helen Scales investigates the bizarre world of the hermit crab and uncovers the truth behind the substance known as sea silk. Show more
Molluscs continue to surprise as a source of medical advancement and bellwethers of our impact on the seas. Show more
Helen Scales explores the impact of shells on agriculture and geology and peeks into the driven world of the collector. Show more
Helen Scales defines molluscs, producers of shells and one of the most ancient and successful animal groups on the planet. Show more