Scientists paid tribute to Kagan and Soai's groundbreaking work, which the Nobel committee described as a feat never previously achieved by anyone “other than life itself.” Henri B. Key points and original sources are listed below.

• Scientists paid tribute to Kagan and Soai's groundbreaking work, which the Nobel committee described as a feat never previously achieved by anyone “other than life itself.”S1

• Henri B. Kagan and Kenso Soai won the Nobel Prize in chemistry Wednesday for their efforts to resolve mysterious mirror images in chemical molecules.S2