THE fascinating diversity of mollusc shells is showcased in these striking photographs of part of the shell collection at the Natural History Museum in London. The images are taken from Interesting ...

Beachcombers know that seashells appear in an endless array of colors and shapes, and researchers have just discovered that this variation extends to the molecular level. In fact, each shell is as ...

Snails have shells the moment they're born, but it's kind of hard to tell. In fact, it's hard to even see a baby snail. Some are nearly microscopic, such as Angustopila psammion, whose adult-sized ...

Unionid shells are characterized by an outer aragonitic prismatic layer and an inner nacreous layer. The prisms of the outer shell layer are composed of single-crystal fibres radiating from ...