Chelonibia testudinaria barnacle on turtle shell
Some Barnacles Can Move Around to Improve Feeding Position
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.
Some Barnacles Can Move Around to Improve Feeding Position
Some Barnacles Can Move Around to Improve Feeding Position

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.

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.

ABOVE: INATURALIST Quentin Groom
mobility
The Joint Collector
Hannah Waters | Mar 1, 2012
Forget stamps: one bioengineer amasses broken artificial joints to learn why they failed and how to build better ones.