Into the deep

Marine biologist David Gruber is passionate about the luminous life in the darkest parts of the ocean. He gives Deng Zhangyu the details.

Humans have always been fascinated with the underwater world and the mysterious deep that's often the setting of adventures in books and films.

Marine biologist David Gruber and his research team at City University of New York have deciphered the genomic code of scores of new fluorescent proteins in underwater animals, according to National Geographic.