Crustaceans, insects and mushrooms are rich sources of the dietary fiber chitin, which activates the immune system and benefits metabolism, according to a new study in mice. Who can forget the stomach ...

Increased salinity usually spells trouble for freshwater insects like mayflies. A new study finds that the lack of metabolic responses to salinity may explain why some freshwater insects often ...

CT images of the fossil animal Kylinxia zhangi from southern China, courtesy of Professor Yu Liu, Yunnan University. The animal is the size of a large shrimp, with its front end to the right. The top ...