Just as the discovery of the electron in 1897 was seminal event for the 20th century, the seeds for the 21st century were spawned in 1953,when James blurted out to Francis how four nuclei acids could pair to form the self-copying code of a DNA molecule.

• 1897年电子的发现为20世纪(物理学的世纪)奠定了基础，1953年已经为21世纪(生物技术的世纪)播下了种子，当年詹姆斯·华生向弗朗西斯·克里克脱口说出了四个核酸如何能够配对而形成一个脱氧核糖核酸(DNA)分子的自行复制编码。