COVID vaccination has turned into a ‘battle of the brands’. But not everyone’s buying it

When we were hanging out for a COVID-19 vaccine in 2020, it was a bit like a horse race. We asked ourselves which vaccine would get over the line to win, and how quickly. Then, as multiple vaccines began reporting results from clinical trials, the race turned to which could offer superior efficacy and safety.

New insight into how the brain makes decisions in changing environments

Over the past decades, psychologists and neuroscientists worldwide have been trying to gain a better understanding of how humans make simple decisions about the state of the world around them. To do this, they devised theoretical models describing how decisions should be made in different contexts and carried out experiments aimed at identifying brain circuits …