The oyster or mussel slowly secretes layers of aragonite and conchiolin, materials that also make up its shell. This creates a material called nacre, also known as mother-of-pearl, which encases the ...

have discovered a new species of mollusc that lived 500 million years ago. The fossil, called Shishania aculeata, reveals that the earliest molluscs were flat, shell-less slugs covered in a ...

Many groups are also excellent indicators of past environmental conditions. The mollusc collection is one of the largest in the Museum, with more than five million specimens. Our collection contains ...

Mathematicians have described 1 a new class of shape that characterizes forms commonly found in nature — from the chambers in the iconic spiral shell of ... a marine mollusc (see ‘Nature ...

A defining characteristic of the cuttlefish, the cuttlebone is a porous internal shell that helps control buoyancy, making it functionally similar to swim bladders in fish. Cuttlebones have both ...

1,200 BC: Cowrie Shells The first use of cowries, the shell of a mollusc that was widely available in the shallow waters of the Pacific and Indian Oceans, was in China. Historically, many ...

What is it? Well, many of the manicures feature this ethereal, pearly, opalescent finish, a bit like the mother-of-pearl-insides of a mollusc shell. So there, I’m calling it: shell nails are ...

The discovery reveals that the most primitive mollusks were these shell-less slugs with flat bodies ... “Shishania gives us a ...

The 31cm (12in) by 13cm (5in) mollusc was discovered by a sub-contractor working for Richard Haward's Oysters on Mersea Island. Tom Haward said it had to be the largest his company had ever ...

The latest discovery by a blind shell collector puts the relationship between man and nature on edge: a rare mollusc that is extremely poisonous, but has a healing and hallucinogenic effect on ...