Dust? Tongues? Uranus? It’s our Holiday Question Show!

On this week’s episode of Quirks & Quarks, it's our ever-popular and always satisfying Holiday Listener Question Show that includes: Why did a Canadian astronaut's eyesight change when she went to space? How is the dust inside our homes changing? Why do some professional athletes stick out their tongues when they play?Why are most fruits round, but bananas and pineapple are not? What would have happened if the dino-killing asteroid never struck Earth?We'll satisfy all these scientific curiosities and many more!

What this episode covers

On this week’s episode of Quirks & Quarks, it's our ever-popular and always satisfying Holiday Listener Question Show that includes: Why did a Canadian astronaut's eyesight change when she went to space? How is the dust inside our homes changing? Why do some professional athletes stick out their tongues when they play?Why are most fruits round, but bananas and pineapple are not? What would have happened if the dino-killing asteroid never struck Earth?We'll satisfy all these scientific curiosities and many more!

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This episode is 54 minutes long.

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This episode was published on January 2, 2026.

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