Iain Stewart, a professor at England's Plymouth University, is preparing to seal himself in an airtight box for 48 hours next week, using only plants for fresh oxygen. Stewart will pack 160 plants into a 130-square-foot plastic box as part of a BBC documentary series called “How Plants Made the World.” Stewert is hoping to emphasize how critical plants are for life on earth. "I cannot think of a more powerful way of driving home to the viewer the importance of photosynthesis," Stewart said.
Read more at the BBC
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