Episode Clips

Do Dogs Love Us or do They Just Want Treats?

It's time to learn the truth once and for all.

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Cat Tales

Goddess, demon, house pet? What does science say about the human relationship with cats?

Mysteries of Sleep

Why do we sleep? And what does sleep have to do with memory, trauma, and our emotions?

Cuba's Cancer Hope

Can Cuba's innovative lung cancer vaccines give new hope to patients across the world?

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