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How Many Calories are on a Smudgy Screen?

3,317,845

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Published on Dec 24, 2012

Ho! Ho! Ho! Subscribe to Vsauce: http://bit.ly/POIaN7
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How Stuff Works on Figerprints: http://science.howstuffworks.com/fing...

Fingerprints on Wikipedia: http://en.wikipedia.org/wiki/Fingerprint

Twins and DNA: http://www.nytimes.com/2008/03/11/hea...

da Vinci fingerprint on painting: http://www.leonardodavinci.net/portra...

What makes up a latent fingerprint: http://www.chm.bris.ac.uk/webprojects...

What makes up sebum: http://en.wikipedia.org/wiki/Sebaceou...

Losing your fingerprints: http://www.scientificamerican.com/art...

Adermatoglyphia: http://www.handresearch.com/news/ader...

Koala fingerprints vs human fingerprints: http://io9.com/5798400/koalas-have-ex...

surface area of an iPhone5: http://appadvice.com/appnn/2012/09/op...

Great smudge photography: http://chrisglass.com/album/2010/04/0...

Breast milk as a food source: http://io9.com/5880037/the-next-time-...

Problems with fingerprinting [PDF}: http://www.ajs.org/ajs/publications/J...

Book on probabilities (including fingerprint-matching): http://bit.ly/TgfjlK

More on individuality of fingerprints [PDF]: http://bit.ly/V0LRhO

Fingerprint rings: http://gizmodo.com/fingerprint-ring

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