2,300-year-old Chinese chemistry formula deciphered after analyzing ancient coins

Knife coins used in ancient China that were analyzed in the study. (The Trustees of the British Museum/CC BY-NC-SA 4.0) Knife coins used in ancient China that were analyzed in the study. (The Trustees of the British Museum/CC BY-NC-SA 4.0)

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People trapped, 2.5M without power as Ian drenches Florida

Hurricane Ian carved a path of destruction across Florida, trapping people in flooded homes, cutting off the only bridge to a barrier island, destroying a historic waterfront pier and knocking out power to 2.5 million people as it dumped rain over a huge area on Thursday.

Authorities transport a person out of the Avante nursing home in the aftermath of Hurricane Ian, Thursday, Sept. 29, 2022, in Orlando, Fla. (AP Photo/John Raoux)

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