If I can find the paper I'll link it later. I stumbled across it by accident while researching something else. But I read about it a week or so before this vide

If I can find the paper I'll link it later. I stumbled across it by accident while researching something else. But I read about it a week or so before this video came out briefly mentioning it: https://youtu.be/myxVsYI4WZk?t=531 https://youtu.be/myxVsYI4WZk?t=531 This is not the article I read, but doing a quick "carbon 13 plant absorbing" search pulled this up as a top place: http://www.plantphysiol.org/content/plantphysiol/36/2/133.full.pdf http://www.plantphysiol.org/content/plantphysiol/36/2/133.fu... Under controlled conditions, plants favor c12 to c13. But it's an old study(61) and there's been more recent work. Plus on different photosynthesis types. This paper doesn't seem to go through the different types. But yea, should give you a start. I swear I'm looking for a paper done by Michigan State. But I can't find it. I'll update if I find it.