What defines a mollusc, and why did Charles Darwin obsess over a tiny octopus?

Mysterious molluscs: from tiny snails to Darwin’s favourite octopus | Hidden Treasures | S2E3 P2 · 22:31 · Video: Natural History Museum · Watch at the source

In short: Join the Natural History Museum to explore the diverse world of molluscs. From the smallest snails to giant squids, discover the surprising science behind these creatures and learn why they captivated the mind of Charles Darwin.

Molluscs represent a vast and varied group of animals that include slugs, snails, and squids. The Natural History Museum in London houses over 80 million objects, a collection that spans from dinosaur bones and meteorites to the giant squid, providing a unique window into these organisms.

Senior Curator Jon Ablett explains the defining characteristics of molluscs and addresses curiosities like the size range of snails. The episode also highlights Charles Darwin's specific interest in a tiny octopus, illustrating the enduring scientific intrigue surrounding these animals.

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