Why Theranoss blood-testing claims were always too good to be true
b'Last week, the tech CEO Elizabeth Holmes \\u2013 once described as \\u2018the next Steve Jobs\\u2019 \\u2013 was convicted of fraud, and could face decades in prison. Her now collapsed company, Theranos, promised to revolutionise medicine with a machine that could run hundreds of health tests on just a pinprick of blood. Those claims have since been exposed as false \\u2013 but could they ever have been true? Madeleine Finlay speaks to the Guardian\\u2019s wealth correspondent, Rupert Neate, about Silicon Valley\\u2019s trial of the century, and pathologist Dr Benjamin Mazer about why Theranos\\u2019s vision seemed impossible from the start. Help support our independent journalism at theguardian.com/sciencepod'