'Totally bummed' Nobel Prize winner admits a 'painful' mistake

A Nobel Prize winner has admitted she “did not do her job well” after a scientific paper published last year was retracted. American Frances Arnold won the Nobel Prize for chemistry in 2018 “for the directed evolution of enzymes.” In a series of tweets on January 2, she revealed a different paper, published May 2019, has been pulled from the highly-respected “Science” magazine. “For my first work-related tweet of 2020, I am totally bummed to announce tha