Quadruplet codons: one small step for a ribosome, one giant leap for proteins: an expanded genetic code could address fundamental questions about algorithmic information, biological function, and the origins of life

四联体密码子：对核糖体而言是一小步，对蛋白质而言却是一大步：扩展的遗传密码有望解答关于算法信息、生物功能和生命起源等根本性问题。