Hydrogels, which are soft materials formed by cross-linking polymers, could have a variety of medical applications. In ...

Hovering fish aren’t loafing—they burn twice resting energy to make micro-fin tweaks that counteract a natural tendency to ...

Fish make hanging motionless in the water column look effortless, and scientists had long assumed hovering was a type of rest ...

The fish swim bladder is an organ that aids fish in floating in water and is composed of collagen, glycosaminoglycans, and elastin, closely resembling parts of the human heart.