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A Cardiff University professor has uncovered a drastic increase in online anti-Asian hate crime triggered by a tweet sent by former President Donald Trump that included the phrase 'Chinese virus' to describe COVID-19. At the beginning of the pandemic, President Donald Trump used the phrase in a tweet which he then went on to defend in a White House press briefing days later.

Experts have devised a novel approach to selecting photos for police line-ups that helps witnesses identify culprits more reliably. In a paper published by the Proceedings of the National Academy of Sciences , researchers - from the University of California San Diego and Duke University in the United States and the University of Birmingham in the U.K. show for the first time that selecting fillers who match a basic description of the suspect but whose faces are less similar, rather than more, leads to better outcomes than traditional approaches in the field.