A study that stoked enthusiasm for the now-disproven idea that a cheap malaria drug can treat COVID-19 has been retracted — more than four-and-a-half years after it was published 1. Researchers had ...

Exercise cuts anxiety: Researchers found moderate aerobic activity reduced test anxiety and improved the ability to filter distractions in anxious university students. Paper boosts memory: University ...

In 2022, after Elon Musk bought what’s now X, the company laid off 80% of its content moderation team and made Community Notes the platform’s main form of fact-checking. Previously a pilot program at ...