Episode (200)
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Mental ‘Workouts’ Could Keep Your Brain Young
Nov 17, 2025Scientists have found the first compelling evidence that cognitive training can boost levels of a brain chemical that typically declines as people age. The results of this 10-week study back earlier a...
Are we cooked? How social media shapes your language w/ Adam Aleksic (from TED Tech)
Nov 15, 2025This week, we’re sharing a special episode from TED Tech exploring Gen Z slang words like "unalive," "skibidi" and "rizz." Where do these words come from — and how do they get popular so fast? Linguis...
Data Centers, Icy Moons And Chameleons
Nov 14, 2025It’s another news roundup! This time, we cover how, using data analytics – and ironically, some AI – a team at Cornell University has mapped the environmental impact of AI by state. They determined th...
The Future Of Immune Health Might Be Here
Nov 12, 2025David Ewing Duncan has spent the last 25 years being poked and prodded in the name of science. He’s signed up for hundreds of tests because, as a journalist, he writes about emerging health breakthrou...
What Space Dust Reveals About Earth's Ice Age
Nov 11, 2025Cosmic dust can tell scientists about how ice covered Earth during the last ice age. This dust is leftover debris from asteroids and comets colliding in space and this dust constantly rains down on ou...
Do Birth Control Side Effects Make It Worth Skipping?
Nov 10, 2025Recently, health influencers on Instagram and TikTok have been vocal about the side effects of hormonal birth control. Check out the most popular videos on the subject, and you’ll hear horror stories ...
Fall foliage is still a mystery: Why do some leaves turn red?
Nov 07, 2025Scientists know why leaves turn yellow in the fall: Chlorophyll breaks down, revealing the yellow pigment that was there all along. But red? Red is a different story altogether. Leaves have to make a ...
Why Some Species Survive Mass Extinctions
Nov 05, 2025Around 250 million years ago, one of Earth’s largest known volcanic events set off The Great Dying: the planet’s worst mass extinction event. The eruptions spewed large amounts of greenhouse gases int...
The Secrets Everyday Rocks Keep
Nov 04, 2025Why does the New York City skyline look the way it does? In part, because of what happened there 500 million years ago, says geologist Anjana Khatwa, author of the new book Whispers of Rocks. In it, s...
Elections: A Big Math Problem
Nov 03, 2025Ahead of Election Day tomorrow, millions of ballots are being cast in statewide, local and special elections. So, today, we're revisiting an episode asking: What would happen if the rules of our elect...