7K views · 516 reactions | In July 1898, Marie Sklodowska Curie and Pierre Curie published work where they mentioned the term radioactivity for the first time. During that same year, the two Nobel Prize laureates discovered two new elements: polonium (in June 1898) and radium (in December 1898). Watch the story behind the discovery of polonium, as well as radium. #NobelPrize | Nobel Prize | Facebook

217K views · 1.5K reactions | Protonbehandling er en mer skånsom behandling enn tradisjonell strålebehandling, og reduserer faren for langtidsbivirkninger og senskader. | Oslo universitetssykehus | Facebook

7.1K views · 72K reactions | WATCH NOW to see our undercover “child” come face-to-face with a predator who contacted her online. What happens over the course of our new mini-documentary happens to real children all the time. You need to see what kids in your community might be facing at this very moment so you can help stop it. | Bark - Parental Controls | Facebook