Fish maw — the swim bladder of a fish — is one of the most expensive dried-seafood products in the world. A Chinese delicacy, it can fetch $450 to $1,000 per kilogram. It’s often viewed as a symbol of ...

A rare fish, the Totoaba, faces extinction due to illegal fishing for its valuable swim bladder, called fish maw. This practice also endangers the Vaquita, a marine mammal. The black market for fish ...

An curved arrow pointing right. Fish maw — the swim bladder of a fish — is one of the most expensive dried-seafood products in the world. A Chinese delicacy, it can fetch $450 to $1,000 per kilogram.

Hydrogels, which are soft materials formed by crosslinking polymers, could have a variety of medical applications. In research published in Advanced Science, investigators developed an injectable ...

Hydrogels, which are soft materials formed by crosslinking polymers, could have a variety of medical applications. In research published in Advanced Science, investigators developed an injectable ...