neither francium nor lutetium were known). Europium metal is now known to be highly reactive; the element's most stable oxidation state is +3, but the +2 state also occurs in solid-state compounds ...

Oak Ridge National Laboratory discovered a rare radioactive element called promethium. Nearly 80 years later, scientists have unlocked it.

Click on the images below to automatically tweet the element infographics. Download the PDFs to make your own wall displays or education resources. We've also created a range of IYPT-themed, ...

1,2 The Phase 1 data shows that Lutetium (177 Lu) rhPSMA-10.1 Injection has high ratios for absorbed radiation dose to tumours vs. dose to healthy tissues, with a measured mean tumour to salivary ...