Authorities in Ontario have laid 12 new charges against 57-year-old Kenneth Law, who's already accused of counselling or aiding suicide by mailing lethal products to people at risk of self-harm. The complex international investigation and the message from police. Millions of people along Florida's Gulf Coast are bracing for Hurricane Idalia. How people are preparing, the regret from residents who stayed behind during previous storms, and where the storm is expected to head after it hits Florida. London's "low-emission zone," aimed at reducing air pollution, has expanded to include the entire city. What this means for drivers of high-emission vehicles, why the rules are so controversial, the reaction from one Canadian city, and how the move is more focused on health than climate change. Canada is seeing a record number of international post-secondary students. Their tuition is like gold for universities and colleges, so how is the influx contributing to the housing crisis on campuses? The debate on whether there should be a cap on international students, the idea that this group can actually help solve the problem, and the suggestion that the federal government could resurrect a program first introduced by former prime minister Stephen Harper's government in 2009. Ontario will ban professional athletes and celebrities from appearing in ads for online gambling as of Feb. 28, 2024. What's behind the province's decision, the reaction, and the questions about potential exceptions. Plus, there are earworms. But what about brain worms? See what a neurosurgeon plucked from the inside of a woman's head.