Toronto's public safety is becoming increasingly shaky following a series of random violent attacks across the city, with multiple incidents involving transit riders or employees. In the most recent incident, one woman was stabbed multiple times inside a streetcar. Mike Drolet looks at the troublesome trend, and what Mayor John Tory says is behind it.

Police in California are investigating the state's third mass shooting in three days, after a man allegedly shot and killed seven of his former co-workers at two mushroom farms in the city of Half Moon Bay. Jackson Proskow reports on the accused gunman, and the victims.

After initially refusing, German Chancellor Olaf Scholz is reportedly now agreeing to send Leopard 2 tanks to Ukraine. Redmond Shannon explains what's behind the change of heart, what other countries are expected to follow suit and what it could mean for Russia's war in Ukraine.

The planet's core may have stopped spinning and might even have reversed its rotation, according to new research published in Nature Geoscience. Eric Sorensen digs deep to figure out what it means, and why you don't have to be alarmed.

Plus, triumphant solo trek: Mike Armstrong looks at Quebec cross-country skier Caroline Côté's record-breaking feat to the South Pole, and why the only part she wasn't prepared for was the hardest.

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