roger tsien

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A TEDMED talk, given by Quyen Nyugen, on how the development of ultraviolet dyes has revolutionized the excising of cancerous tissue for surgeons and other medical professionals alike. 

If you give a man a fish, you feed him for one day. If you teach a man how to fish, you feed him for a lifetime, and that’s why we enjoy devising new fishing tackle, or nets, shall we say, to scoop from the ocean, and the ocean of knowledge is the only ocean that even we greedy humans will never be able to over-fish.
—  Roger Y. Tsien, Nobel Lecture at Stockholm University