Science: Why Grass is Green?

Ever since he was an Ohio farm boy studying textbooks as he plowed, Charles Franklin Kettering has wondered why grass is green. When the invention of motorcar self-starters and the vice-presidency of General Motors made him a millionaire, he gave $577,000 to Antioch College at Yellow Springs, Ohio, to find out. Last week he thought he almost knew the answer. Full of premonitions he took the scholar who was doing the investigating for him to Cleveland to address the National Academy of Sciences.

Dr. Paul Wilhelm Karl Rothemund explained that grass is green because out of water and the chemicals of earth...

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