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Homes on a street at severe risk of flooding will be bought by a local council and demolished as they remain at risk of further damage.

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A different sequencing method that chemically cleaved DNA at specific bases, developed by Allan Maxam and Walter Gilbert, was the dominant technology into the 1980s. Radiolabeled DNA samples were incubated in four separate reactions, each of which contained a chemical that cleaved after a different nucleotide — either A/G, G, C, or C/T. By adding the right amount of each chemical, it was possible to produce different fragments chopped off at each individual base. The sequence could then be read using gel electrophoresis and autoradiography. Maxam–Gilbert sequencing was easier than the plus and minus method to run and interpret, but was eventually surpassed by Sanger’s chain termination method, which molecular biologists found both technically preferable and more “elegant” since it mirrored the natural copying of DNA.

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After Friedmann’s arrest, Hall’s staff had combed through two million hours of footage from the Downtown Detention Center’s six hundred cameras, compiling a reel of Friedmann’s every movement in the jail. They’d discovered that he had been infiltrating the building since at least August, 2019, when the security cameras began going online—five months before he was caught—and his familiarity with the layout in the earliest clips suggested that he’d been at it much longer.