Last week I sent Alex, one of my biologists in training, out to the beach to collect some seaweed for our displays. I told her to bring back anything interesting that she might find. She came back ...

A barnacle, observed the nineteenth-century zoologist Louis Agassiz, is "nothing more than a little shrimp-like animal standing on its head in a limestone house and kicking food into its mouth." Yet ...

Barnacles are marine mammals that are known as fouling organisms because they accumulate under boats. They keep their strong hold with a waterproof glue. If you watch a barnacle close up, you can see ...