
The SciencesFebruary 1, 1961
The Teredo
Otherwise known as the shipworm, this distant relative of the clam destroys submerged wood by honeycombing it with burrows. Its way of life is predicated on its unusual ability to digest cellulose

The Teredo
Otherwise known as the shipworm, this distant relative of the clam destroys submerged wood by honeycombing it with burrows. Its way of life is predicated on its unusual ability to digest cellulose

The Portuguese Man-of-War
This colorful jellyfish is not one organism but a colony of four kinds of polyp. The stinging cells on the tentacles with which it fishes secrete a substance that is almost as toxic as cobra venom