Many animals that live in water need to come up to the surface to breathe, but they can still spend impressive lengths of time submerged thanks to a few clever tricks. When you purchase through links ...

Brock A. Hedges received funding from Nature Foundation, The Ecological Society of Australia and the Department of Agriculture, Water and Environment. Brock A. Hedges currently receives funding from ...

By drawing water into an internal, muscular cavity and forcefully expelling it through a flexible, narrow tube, known as a siphon, cephalopods are able to create forward thrust, propelling themselves ...