The Scientist spoke with marine biologist and barnacle researcher John Zardus about why turtle barnacles—previously thought to be immobile—in fact slowly travel. He thinks the answer is food. Chloe ...

Scanning electron micrograph of a filter feeding appendage (cirri) from a goose barnacle (Lepas). Goose barnacles are non-motile crustaceans that live in the sea attached to rocks and floating objects ...

I, J, and K show goose barnacles, bryozoans ... It is said that 85% of volcanic eruptions happen underwater. While their cousins on land might seem more vivid, the effects of underwater eruptions ...