Tech companies around the world have set up shop in the financial district in Dublin, Ireland. Peter Muhly/AFP/Getty Images hide caption

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Plant pathologists sequenced the genome of 19th century potato specimens like this one from London's Kew Gardens herbarium, collected during the height of the Irish famine in 1847. Marco Thines/Senckenberg Gesellschaft für Naturforschung hide caption

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Tea a dangerous habit? Women have long made a ritual of it, but in 19th century Ireland, moral reformers tried to talk them out of it. At the time, tea was considered a luxury, and taking the time to drink it was an affront to the morals of frugality and restraint. iStockphoto.com hide caption

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People hold pictures of Savita Halappanavar during a vigil outside Belfast City Hall, Northern Ireland, on Thursday. Halappanavar died Oct. 28 in Galway, Ireland, just days after she was denied an abortion. Peter Morrison/AP hide caption

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