April 28, 2021 11:12 AM EDT Updated 11:44 AM Discovery PureTech turns 200-year-old discovery into a new approach to Alzheimer’s, while clinging to controversial amyloid hypothesis Before MRIs or CT scans, 18th-century anatomist Paolo Mascagni injected his cadavers with mercury. Ever mobile, the mercury coursed through their veins like blood, illuminating the body’s rivers and...