I recently received an email from a reader describing a shell he found washed up on a wintery beach, something he grew up calling a ‘half deck’ - as in, he clarified, a boat. He had included a photo ...

In the deep sea, there are places where chemicals and nutrients seep out of the sediment and into the water. These chemosynthetics-based ecosystems were discovered in 1977, and in the decades since, ...

This is a preview. Log in through your library . Abstract A comparison of the safety factors of tropical and temperate limpet shells in the eastern Pacific yielded two results of significance. A ...