Try an experiment with photosynthesis. pic.twitter.com/G4JfhxfKNT
— Karen McGrane (@karenmcgrane) October 26, 2014
Ha! Why we’ve got to cool it with the unnecessary medical research
Try an experiment with photosynthesis. pic.twitter.com/G4JfhxfKNT — Karen McGrane (@karenmcgrane) October 26, 2014