Artificial intelligence can execute tasks in seconds that once took humans hours, if not days to complete. While this may be great for productivity, some researchers are concerned that our increasing use of AI could be impacting our ability to tackle difficult problems and think critically. To find out where the science stands, and how worried we should be about the potential of AI to change how we think, Ian Sample hears from Madeleine Finlay and Sam Gilbert, professor of neuroscience at University College London

Skirmishes broke out in southern Los Angeles, while in New York, several people were detained at a rally outside immigration offices.

President Joe Biden’s pardon of his son Hunter deepened an entanglement of politics and the rule of law that has tarnished faith in American justice and is almost certain to worsen in Donald Trump’s s...