How do snails get their shells?

Explore the fascinating process of how snails acquire their famous spiral shells, from fanciful theories to scientific insights by experts. Discover the importance of calcium-rich diets and the role of the mantle in shell formation. Dive into the world of snails as they defend against the sun, glide with slime, and rely on antennas for direction. Uncover the mystery of snail shells and their slow growth process.