Рет қаралды 94,967
Visit brilliant.org/scishow/ to get started learning STEM for free. The first 200 people will get 20% off their annual premium subscription and a 30-day free trial.
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: / 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: scishow-tangents.simplecast.com/
TikTok: / scishow
Twitter: / scishow
Instagram: / thescishow
Facebook: / scishow
#SciShow #science #education #learning #complexly
----------
Sources:
www.pnas.org/cgi/doi/10.1073/...
www.sciencedirect.com/science...
www.science.org/doi/10.1126/s...
agupubs.onlinelibrary.wiley.c...
agupubs.onlinelibrary.wiley.c...
www.nature.com/scitable/knowl...
astrobiology.nasa.gov/news/ne...
www.sciencenews.org/article/v...
www.science.org/doi/10.1126/s...
gpb.pbslearningmedia.org/reso...
www.nature.com/articles/s4301...
www.ncbi.nlm.nih.gov/pmc/arti...
Image Sources:
www.gettyimages.com/detail/il...
www.gettyimages.com/detail/vi...
science.nasa.gov/earth/earth-...
www.gettyimages.com/detail/il...
www.gettyimages.com/detail/ph...
www.gettyimages.com/detail/vi...
www.gettyimages.com/detail/ph...
www.gettyimages.com/detail/ph...
www.gettyimages.com/detail/ph...
www.gettyimages.com/detail/ph...
www.gettyimages.com/detail/ph...
www.gettyimages.com/detail/ph...
commons.wikimedia.org/wiki/Fi...
www.gettyimages.com/detail/ph...
www.gettyimages.com/detail/vi...
www.gettyimages.com/detail/il...
commons.wikimedia.org/wiki/Fi...
commons.wikimedia.org/wiki/Fi...
www.gettyimages.com/detail/vi...
www.gettyimages.com/detail/vi...
www.gettyimages.com/detail/vi...
www.gettyimages.com/detail/vi...