Woman sleeping in bed under blankets, viewed from behind.

How Sleep Affects Your Health and Why It Matters More Than You Think

Sleep affects far more than how tired you feel the next morning. Getting enough good-quality sleep supports brain function, mood, metabolism, immune function, cardiovascular health and daytime safety. While you sleep, your brain and body remain active. Different stages of sleep help support memory and learning, regulate important biological processes and allow the body to…

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Woman doing sit-ups on a foam exercise mat.

Physical Activity and Health: Benefits, Guidelines, and What Research Shows

Physical activity is one of the most reliable ways to improve and protect your health. Regular movement is associated with better cardiovascular health, stronger muscles and bones, improved sleep, better mental health, and a lower risk of several chronic diseases. But how much physical activity do you actually need? For most adults, current guidelines recommend…

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Two scientists standing beside the tall NIST-F2 cesium fountain atomic clock in a laboratory.

How Official Time Works in Canada

Official time in Canada is maintained by the National Research Council in Ottawa as UTC(NRC), Canada’s realization of Coordinated Universal Time. Legal time — the hour a school, court, or bus schedule uses — is generally determined by provincial and territorial law, while federal law also contains rules governing standard time for federal enactments. A…

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Abha, Saudi Arabia, photographed 9 November 2011 by Basheer Olakara. Licensed CC BY 2.0 via Wikimedia Commons. One of four cities Saudi officials said were hit on 8 September 2026; this is a city view, not a photo of the strikes.

Houthi Strikes on Southern Saudi Arabia Injure 73 and Disrupt Energy Facilities

Yemen’s Houthi forces launched ballistic missiles and drones at targets in southern Saudi Arabia on Tuesday, injuring 73 people, including women and children, and causing fires that temporarily halted operations at some energy facilities, according to Saudi officials. The attacks struck the cities of Abha, Khamis Mushait, Jazan and Najran, the Saudi-led coalition fighting in…

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