Four Ontario school boards have launched lawsuits against Meta, TikTok, and Snapchat over allegations their platforms are designed for compulsive use and have rewired the way children think, behave, and learn. Abigail Bimman reports on how much money the school boards are seeking, how many hours a day kids and teens are logged onto social media and how the tech companies are responding.

In Ottawa, the public inquiry into foreign interference heard from Stéphane Perrault, Canada's chief electoral officer, who says there are not many rules that govern how political parties select candidates in individual ridings. As David Akin reports, the inquiry heard of at least one case where foreign actors took advantage of that lack of oversight.

The International Court of Justice (ICJ) has ordered Israel to ensure basic food supplies get into the Gaza Strip unimpeded and "without delay." Most of the people in northern Gaza are at risk of starving to death, according to a report by the Integrated Food Security Phase Classification (IPC), which is backed by the United Nations (UN). Crystal Goomansingh reports on Israel's response and the growing signs of famine in Gaza.

Maryland is getting $60 million in U.S. federal relief to help with the cleanup and rebuilding of Baltimore's Francis Scott Key Bridge. It collapsed after the Dali cargo ship crashed into it, killing two people and leaving four others presumed dead. Joel Senick explains what is being learned about the catastrophe from the boat's digital audio recorder and how families of the victims are desperate for answers.

Timekeepers have discovered the world's clocks may need to lose one second to stay on time with the Earth's rotation, which has slightly slowed down. Eric Sorensen explains how this "negative leap second" is linked to climate change and why losing one second of time matters much more than you might think.

Plus, the Barkley Marathons is widely considered the world's toughest foot race, challenging competitors to run through 160 kilometres of rugged terrain in just 60 hours. Neetu Garcha looks at how Chilliwack, B.C. ultra runner Ihor Verys and British ultra runner Jasmin Paris both made history by finishing the gruelling race—and what they endured to shatter records.

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