The "first man-made biological leaf" could enable humans to colonise space from Dezeen on Vimeo.
RCA graduate Julian Melchiorri says the synthetic biological leaf he developed, which absorbs water and carbon dioxide to produce oxygen just like a plant, could enable long-distance space travel.
Read more: http://www.dezeen.com/2014/07/25/movie-silk-leaf-first-man-made-synthetic-biological-leaf-space-travel/