Not every creature is built for peak survival. While some animals have evolved to sprint, soar, or blend into their surroundings, others have developed unusual traits that seem to defy practicality.

The shark may have been afflicted with a condition called cyclopia, which can affect the way the eyes form when the animal is still developing. A fisherman working off the coast of Indonesia ...

An important question in organogenesis is how tissue-specific transcription factors interact with signaling pathways. In some cases, transcription factors define the context for how signaling pathways ...

It’s a shark with one eye—what could be weirder? It’s not an ancient one-eyed species, however, but an animal suffering from a rare congenital condition known as cyclopia, which has been documented in ...