Computer chess master; private bathing for birds
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This article was originally published with the title “50, 100 & 150 Years Ago” in Scientific American 328, 6, 87 (June 2023)
doi:10.1038/scientificamerican0623-87
ABOUT THE AUTHOR(S)
Mark Fischetti is a senior editor at Scientific American. He covers all aspects of sustainability. Follow him on Twitter @markfischetti Credit: Nick Higgins