Originally published on http://www.core77.com/blog/materials/breakingartstudentmakessyntheticleafsolveseverything27419.asp?utmsource=feedburner&utmmedium=feed&utm_campaign=Feed%3A+core77%2Fblog+%28Core77.com%29 Stop the Green Dream presses. Julian Melchiorri has built a leaf that absorbs CO2 and sunlight and produces oxygen. Rather than just growing a plant like most of us who want leaves in our lives, Melchiorri's work got positively semi-scientific.