From NobelPrize https://twitter.com/NobelPrize on Twitter: Take a peek at Marie Curie's notebook from 1899-1902, containing notes from experiments on radioactive substances. The notebook is still radioactive and will be for 1,500 years. Photo: Wellcome Images. #NobelPrize https://twitter.com/NobelPrize/status/1079020972341108742/photo/1 https://chirp.cooleysekula.net/attachment/53204