Why do we have fingerprints? - Question of the Week, from...

What this episode covers

Just what is the point to all those ridges and furrows set into our fingers, toes, palms and soles? We do some detective work on the answer. Plus, we ask how sharks make blood when they have bones made from cartilage. Like this podcast? Please help us by supporting the Naked Scientists

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Frequently Asked Questions

How long is this episode of Question of the Week, from the Naked Scientists?

This episode is 3 minutes long.

When was this Question of the Week, from the Naked Scientists episode published?

This episode was published on September 20, 2009.

What is this episode about?

Just what is the point to all those ridges and furrows set into our fingers, toes, palms and soles? We do some detective work on the answer. Plus, we ask how sharks make blood when they have bones made from cartilage. Like this podcast? Please help...

Can I download this Question of the Week, from the Naked Scientists episode?

Yes, you can download this episode by clicking the download button on the episode player, or subscribe to the podcast in your preferred podcast app for automatic downloads.