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The nitrogen cycle is essential to life on Earth, but biological nitrogen must be fixed before it can be used. Scientists aren't sure how the first nitrogen became available... but it might have been volcanoes.
Hosted by: Niba @NotesbyNiba (she/her)
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Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow
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Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Adam Brainard, Alex Hackman, Ash, Benjamin Carleski, Bryan Cloer, charles george, Chris Mackey, Chris Peters, Christoph Schwanke, Christopher R Boucher, DrakoEsper, Eric Jensen, Friso, Garrett Galloway, Harrison Mills, J. Copen, Jaap Westera, Jason A Saslow, Jeffrey Mckishen, Jeremy Mattern, Kenny Wilson, Kevin Bealer, Kevin Knupp, Lyndsay Brown, Matt Curls, Michelle Dove, Piya Shedden, Rizwan Kassim, Sam Lutfi
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Sources:
https://www.pnas.org/cgi/doi/10.1073/pnas.2309131121
https://www.sciencedirect.com/science/article/pii/S0012825216301829?casa_token=9umXxL32wsMAAAAA:5NVjUVqnIEkqCK0mGURkYM2TKvAY6mIvDRIiQA0rvNC0fR6UvNC_AToeaP_d57viQTiFKnGJrQ
https://www.science.org/doi/10.1126/science.1186120
https://agupubs.onlinelibrary.wiley.com/doi/pdf/10.1029/98GL02423
https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2004GL021910
https://www.nature.com/scitable/knowledge/library/the-nitrogen-cycle-processes-players-and-human-15644632/
https://astrobiology.nasa.gov/news/new-insights-into-how-earth-got-its-nitrogen/
https://www.sciencenews.org/article/volcanic-eruption-nitrogen-lightning-life
https://www.science.org/doi/10.1126/science.1186120
https://gpb.pbslearningmedia.org/resource/nves.sci.earth.nitrate/lightning-produces-nitrates/
https://www.nature.com/articles/s43017-023-00479-w.pdf
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7464700/
Image Sources:
https://www.gettyimages.com/detail/illustration/diagram-of-nitrogen-cycle-royalty-free-illustration/1255690597?phrase=nitrogen
https://www.gettyimages.com/detail/video/flyover-france-england-and-northern-ireland-view-from-stock-footage/637663752
https://science.nasa.gov/earth/earth-atmosphere/the-atmosphere-earths-security-blanket/
https://www.gettyimages.com/detail/illustration/vector-ball-and-stick-model-of-chemical-royalty-free-illustration/1284951928?phrase=nitrogen+triple+bond
https://www.gettyimages.com/detail/photo/twilight-farm-chemical-factory-in-nw-iowa-royalty-free-image/172987950?phrase=nitrogen+factory
https://www.gettyimages.com/detail/video/cloning-bacteria-loop-stock-footage/473038835
https://www.gettyimages.com/detail/photo/fireflies-glowing-above-a-river-in-the-forest-at-royalty-free-image/1625145272?phrase=forest
https://www.gettyimages.com/detail/photo/volcan-de-fuego-volcano-royalty-free-image/1631422598?phrase=volcanic+eruption
https://www.gettyimages.com/detail/photo/lightning-strikes-from-a-thunderstorm-in-south-royalty-free-image/1468653209?phrase=lightning
https://www.gettyimages.com/detail/photo/meteor-shower-elements-of-this-image-furnished-by-royalty-free-image/645796108?phrase=meteorite
https://www.gettyimages.com/detail/photo/sunbean-of-sunset-sky-royalty-free-image/497709519?phrase=light+rays
https://www.gettyimages.com/detail/photo/aerial-drone-view-of-waves-royalty-free-image/1488335104?phrase=water
https://commons.wikimedia.org/wiki/File:Champagne_vent_white_smokers.jpg
https://www.gettyimages.com/detail/photo/large-branchy-lightning-in-arizona-royalty-free-image/1369481423?phrase=lightning
https://www.gettyimages.com/detail/video/tungurahua-volcano-erupting-stock-footage/473173025
https://www.gettyimages.com/detail/illustration/volcanic-eruption-chalk-drawing-royalty-free-illustration/810477926?phrase=volcano+eruption
https://commons.wikimedia.org/wiki/File:Ischia_Castello_Aragonese.jpg
https://commons.wikimedia.org/wiki/File:Ozone-CRC-MW-3D-balls.png
https://www.gettyimages.com/detail/video/volcano-ash-cloud-la-palma-stock-footage/1346036411
https://www.gettyimages.com/detail/video/the-perfect-storm-spectacular-thunderbolts-and-stock-footage/124374199
https://www.gettyimages.com/detail/video/cumbre-vieja-volcano-eruption-in-canary-islands-stock-footage/1344107434
https://www.gettyimages.com/detail/video/amazing-volcanic-eruption-top-view-stock-footage/1350662398
The nitrogen cycle is essential to life on Earth, but biological nitrogen must be fixed before it can be used. Scientists aren't sure how the first nitrogen became available... but it might have been volcanoes.
Hosted by: Niba @NotesbyNiba (she/her)
----------
Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow
----------
Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Adam Brainard, Alex Hackman, Ash, Benjamin Carleski, Bryan Cloer, charles george, Chris Mackey, Chris Peters, Christoph Schwanke, Christopher R Boucher, DrakoEsper, Eric Jensen, Friso, Garrett Galloway, Harrison Mills, J. Copen, Jaap Westera, Jason A Saslow, Jeffrey Mckishen, Jeremy Mattern, Kenny Wilson, Kevin Bealer, Kevin Knupp, Lyndsay Brown, Matt Curls, Michelle Dove, Piya Shedden, Rizwan Kassim, Sam Lutfi
----------
Looking for SciShow elsewhere on the internet?
SciShow Tangents Podcast: https://scishow-tangents.simplecast.com/
TikTok: https://www.tiktok.com/@scishow
Twitter: http://www.twitter.com/scishow
Instagram: http://instagram.com/thescishow
Facebook: http://www.facebook.com/scishow
#SciShow #science #education #learning #complexly
----------
Sources:
https://www.pnas.org/cgi/doi/10.1073/pnas.2309131121
https://www.sciencedirect.com/science/article/pii/S0012825216301829?casa_token=9umXxL32wsMAAAAA:5NVjUVqnIEkqCK0mGURkYM2TKvAY6mIvDRIiQA0rvNC0fR6UvNC_AToeaP_d57viQTiFKnGJrQ
https://www.science.org/doi/10.1126/science.1186120
https://agupubs.onlinelibrary.wiley.com/doi/pdf/10.1029/98GL02423
https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2004GL021910
https://www.nature.com/scitable/knowledge/library/the-nitrogen-cycle-processes-players-and-human-15644632/
https://astrobiology.nasa.gov/news/new-insights-into-how-earth-got-its-nitrogen/
https://www.sciencenews.org/article/volcanic-eruption-nitrogen-lightning-life
https://www.science.org/doi/10.1126/science.1186120
https://gpb.pbslearningmedia.org/resource/nves.sci.earth.nitrate/lightning-produces-nitrates/
https://www.nature.com/articles/s43017-023-00479-w.pdf
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7464700/
Image Sources:
https://www.gettyimages.com/detail/illustration/diagram-of-nitrogen-cycle-royalty-free-illustration/1255690597?phrase=nitrogen
https://www.gettyimages.com/detail/video/flyover-france-england-and-northern-ireland-view-from-stock-footage/637663752
https://science.nasa.gov/earth/earth-atmosphere/the-atmosphere-earths-security-blanket/
https://www.gettyimages.com/detail/illustration/vector-ball-and-stick-model-of-chemical-royalty-free-illustration/1284951928?phrase=nitrogen+triple+bond
https://www.gettyimages.com/detail/photo/twilight-farm-chemical-factory-in-nw-iowa-royalty-free-image/172987950?phrase=nitrogen+factory
https://www.gettyimages.com/detail/video/cloning-bacteria-loop-stock-footage/473038835
https://www.gettyimages.com/detail/photo/fireflies-glowing-above-a-river-in-the-forest-at-royalty-free-image/1625145272?phrase=forest
https://www.gettyimages.com/detail/photo/volcan-de-fuego-volcano-royalty-free-image/1631422598?phrase=volcanic+eruption
https://www.gettyimages.com/detail/photo/lightning-strikes-from-a-thunderstorm-in-south-royalty-free-image/1468653209?phrase=lightning
https://www.gettyimages.com/detail/photo/meteor-shower-elements-of-this-image-furnished-by-royalty-free-image/645796108?phrase=meteorite
https://www.gettyimages.com/detail/photo/sunbean-of-sunset-sky-royalty-free-image/497709519?phrase=light+rays
https://www.gettyimages.com/detail/photo/aerial-drone-view-of-waves-royalty-free-image/1488335104?phrase=water
https://commons.wikimedia.org/wiki/File:Champagne_vent_white_smokers.jpg
https://www.gettyimages.com/detail/photo/large-branchy-lightning-in-arizona-royalty-free-image/1369481423?phrase=lightning
https://www.gettyimages.com/detail/video/tungurahua-volcano-erupting-stock-footage/473173025
https://www.gettyimages.com/detail/illustration/volcanic-eruption-chalk-drawing-royalty-free-illustration/810477926?phrase=volcano+eruption
https://commons.wikimedia.org/wiki/File:Ischia_Castello_Aragonese.jpg
https://commons.wikimedia.org/wiki/File:Ozone-CRC-MW-3D-balls.png
https://www.gettyimages.com/detail/video/volcano-ash-cloud-la-palma-stock-footage/1346036411
https://www.gettyimages.com/detail/video/the-perfect-storm-spectacular-thunderbolts-and-stock-footage/124374199
https://www.gettyimages.com/detail/video/cumbre-vieja-volcano-eruption-in-canary-islands-stock-footage/1344107434
https://www.gettyimages.com/detail/video/amazing-volcanic-eruption-top-view-stock-footage/1350662398
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