Krulwich Wonders... NPR Science Correspondent Robert Krulwich demystifies dense and difficult science.

Krulwich Wonders

Robert Krulwich On Science
Dylan Isabell/NPR
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Why Leaves Really Fall Off Trees

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In this illustration, new viruses emerge from an infected human throat cell. When you get the flu, viruses turn your cells into tiny virus factories that help spread the disease. Courtesy XVIVO/Zirus hide caption

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Courtesy XVIVO/Zirus

A sexton beetle buries a recently deceased shrew. Image courtesy of Fabricator of Useless Articles hide caption

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Image courtesy of Fabricator of Useless Articles

Hot! Hot! Hot! How Much Heat Can You Take?

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Remembering An Old, Forgotten Soldier

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Shakespeare Had Roses All Wrong

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'Hey I'm Dead!' The Story Of The Very Lively Ant

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Theo Allofs

Darwin's Very Bad Day: 'Oops, We Just Ate It!'

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