Our muscles power us -- from the tissue that pumps blood from our heart to the tiny fibers that give us goosebumps. How exactly do muscles work — and how can we best strengthen them?
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Everything you need to know about the Strait of Hormuz
03/25/2026 | 37 mins.
About 20% of the world’s oil supply travels through the Strait of Hormuz. The Iran War threatens to cut it off. The history of the Strait of Hormuz, who controls it and how it became so critical to the global oil supply.
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Inside the breakdown of U.S.-Iran nuclear talks
03/24/2026 | 35 mins.
Ali Vaez was involved with the 2015 negotiations that led to the Iran Nuclear Deal. He'll explain why, even as a new deal was tantalizingly close late last month, the U.S. and Israel launched their war against Iran.
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Are we witnessing the death of expertise?
03/23/2026 | 37 mins.
Analyst Tom Nichols says the Trump administration is fundamentally incompetent. And he says there’s been a systematic erosion of expert trust for years — which is dangerous for American democracy.
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The 'universal language' of rhythm
03/20/2026 | 42 mins.
Rhythm. It's so much more than the backbone of music – it’s essential to how our brains function. Whether you think you've got it or not, why rhythm is a fundamental part of your everyday life.
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Get ready for your aha moment: Every weekday, host Meghna Chakrabarti pierces your news bubble to expose the whole story. Getting answers to the questions that need to be asked, examining our history and the human condition. No topic is too complicated or off the table. It’s all On Point.
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