More than a century ago, mathematicians accepted a rule so intuitive it seemed harmless. But once formalized, it led to something deeply unsettling: a solid sphere could be split apart and reassembled ...

An AI agent got nasty after its pull request got rejected. Can open-source development survive autonomous bot contributors?

House sales in Montreal (the second-largest market in Canada) dropped 15% last month. Single-family home deals were off 17%.