1972
Medicine
China
Artemisinin isolated
Tu Youyou extracted a potent antimalarial from sweet wormwood using an ancient text's cold-extraction hint.
Why it mattered
Has saved millions of lives from drug-resistant malaria.
Information Age
1972
2 recorded milestones at this point in the record.
1972
Medicine
Britain
CT scanning
Godfrey Hounsfield's scanner reconstructed cross-sections of the living body.
Why it mattered
Let doctors see inside without cutting.
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