Is There DNA in Dirt?
You know about fossils, but what other secrets are lurking in the ground beneath our feet?
Hosted by: Hank Green
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Sources:
http://rstb.royalsocietypublishing.org/content/370/1660/20130383#ref-83
http://www.nature.com/nature/journal/v506/n7486/full/nature12921.html
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Images:
https://commons.wikimedia.org/wiki/File:Greenland_eastcoast.jpg
https://commons.wikimedia.org/wiki/File:EscherichiaColi_NIAID.jpg
https://commons.wikimedia.org/wiki/File:PCR_tubes.png
https://commons.wikimedia.org/wiki/File:Quebrada_de_Cafayate,_Salta_(Argentina).jpg
https://commons.wikimedia.org/wiki/File:Wheat_harvest.jpg
https://www.nasa.gov/feature/jpl/mars-rock-ingredient-stew-seen-as-plus-for-habitability
