By David Suzuki with Faisal Moola. Many people say George Wald was the greatest lecturer in Harvard’s history. He was certainly the best I’ve heard. Dr. Wald won a Nobel Prize in 1967 for his work on the biochemical basis of colour vision. He and I became friends in the 1970s because we shared a common concern about the misapplication of science, especially during the war in Vietnam. Dr. Wald once captivated me with a story he told: For close to 150 million years, dinosaurs dominated the planet, and they were impressive. They were huge animals, armed with weapons like spikes on their tails, giant claws, and razor-sharp teeth. They were covered with armour plates. They seemed invincible, and when ... continue reading.



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