On Today's Podcast

What A Tea Party With A Bonobo Taught Us About Imagination

Is the capacity to imagine unique to humans? Scientists thought so—but a pretend tea party with a bonobo named Kanzi suggests otherwise.

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February 13, 2026

An evolutionary biologist weighs in on mating and dating in the age of apps. Is pair bonding passé? Is single the new married? Plus, the Relativistic Heavy Ion Collider, or RHIC, has ceased operation. What’s next for particle physics? Add, researchers are homing in on how kids reap long-term health benefits from getting dirty, whether cuddling furry pets or playing with friends.

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Segment

16:37

Redefining the Kilogram

All the scales in the world are calibrated against a 125-year-old chunk of metal in a vault on the outskirts of Paris. Now scientists are looking to redefine the standard of what “kilogram” really means.

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