David Crosby, one of the most influential rock singers of the 1960s and '70s with the Byrds and Crosby, Stills, Nash & Young (CSNY) has died at the age of 81, Variety reported on Thursday, citing a statement from Crosby's wife.

People eating a variety of carp will not have to worry about getting tiny bones stuck in their throats thanks to researchers at the Chinese Academy of Fishery Sciences' Heilongjiang Fishery Research Institute who have cultivated the world's first crucian carp lacking intermuscular fish bones.