New evidence suggests some fossils as the oldest known sign of life on Earth, and scientists may have a way to speed up the process of carbon neutralization in the ocean!

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Sources:

Oldest life on Earth?
http://www.nature.com/nature/journal/vaop/ncurrent/full/nature23261.html?foxtrotcallback=true
http://www.nature.com/nature/journal/v543/n7643/full/nature21377.html?foxtrotcallback=true#author-information
http://news.nationalgeographic.com/2017/03/oldest-life-earth-iron-fossils-canada-vents-science/
http://www.sciencemag.org/news/2016/08/hints-oldest-fossil-life-found-greenland-rocks

Blue carbon storage
http://www.pnas.org/content/early/2017/07/17/1703604114.abstract
https://www.eurekalert.org/pub_releases/2017-07/uosc-dbc071717.php
https://phys.org/news/2017-07-key-carbon-sequestration.html

Images:
https://commons.wikimedia.org/wiki/File:Stromatolithe_Pal%C3%A9oarch%C3%A9en_-_MNHT.PAL.2009.10.1.jpg
https://commons.wikimedia.org/wiki/File:WOA05_GLODAP_pi_DIC_AYool.png
https://commons.wikimedia.org/wiki/File:WOA05_GLODAP_pd_DIC_AYool.png
https://commons.wikimedia.org/wiki/File:Clouds_over_the_Atlantic_Ocean.jpg

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More Clues to the Oldest Fossils Ever

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