As the lawyer slowly came out of the anesthesia after surgery, he said, "Why are all the blinds drawn, doctor?"
"There's a big fire across the street", the doctor replied. "We didn't want you to think the operation was a failure."
Jean SenebierDied 22 Jul 1809 at age 67 (born 6 May 1742).Swiss naturalist and botanist who demonstrated that green plants consume carbon dioxide and release oxygen under the influence of light. In 1788, Jean Senebier, in his Expériences sur l'action de la lumière solaire dans la végétation established the relationship between the presence of carbon dioxide in the atmosphere and the production of oxygen by plants. His studies built on the work of Ingenhousz who showed that plants produce oxygen in sunlight and carbon dioxide in darkness. Neither scientist fully understood the puzzle of photosynthesis, but they provided steps to the solution by others after them. |
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