A Phase 2 clinical trial evaluating various additional COVID-19 booster shots has begun enrolling adult participants in the United States. The trial aims to understand if different vaccine regimens—prototype and variant vaccines alone and in combinations—can broaden immune responses in adults who already have received a primary vaccination series and a first booster shot. The […]

Professional organisations need to get better at capturing the true diversity of scientists, researchers say after scrutinising 73 US-based science, technology, engineering and maths (Stem) societies’ surveying practices. ‘To be able to serve your communities as a Stem organisation, you have to know who they are,’ says Nicholas Burnett from the University of California at […]

A day after Moscow promised to curb attacks on Ukrainian cities – a pledge that hasn’t been honoured yet – it seems that Russian forces are withdrawing from the Chernobyl nuclear power plant. This is only a few days after looters apparently raided one of the site’s radiation monitoring labs, making off with radioactive material. […]