On Today's Podcast

What was science like in America 250 years ago?

Sure, the American colonies had Benjamin Franklin and his kite. But many other natural philosophers were thinking big thoughts about the world.

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Today's Broadcast

July 3, 2026

What did science look like in America 250 years ago? Sure, there was Benjamin Franklin and his kite. But many other natural philosophers were asking big questions. Plus, researchers have engineered an artificial cell, hoping to build a customizable chassis for chemical production. And, Lake Xochimilco in Mexico City is the only place where axolotls live in the wild, and they face growing threats.

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Video

Breakthrough: Bitter Water

For Navajo hydrologist Karletta Chief, water is sacred. When a mine spill contaminated a vital river in the Navajo Nation, she decides to investigate the potential environmental and health impacts it had on her community.

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