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Reporter's Notebook: The story of penicillin

Yesterday was the anniversary of one of the greatest discoveries in medicine, and it began with an observation. "CBS Evening News" co-anchor John Dickerson explains.

Sep 30, 2025 (02:15)

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New details on Cornell rape investigation

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Details on latest Lindsay Clancy hearing

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Trump says AI leaders can police themselves

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Ethics expert on Trump's new TV ads

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Lindsay Clancy's lawyer argues against retrial

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