It was 1981, and the young biochemist was using a technique called nuclear magnetic resonance spectroscopy, which can identify chemicals based on the magnetic properties of atomic nuclei.

• 1981年，这位年轻的生物化学家以核磁共振光谱法（nuclearmagneticresonancespectroscopy）的技术，利用原子核的磁矩特性来研究化学物质。