Daniel Shechtman's 1982 discovery of quasicrystals fundamentally changed how scientists thought about solid matter. His finding cost him his job at one lab and the eternal ire of chemistry great Linus Pauling. But it also won him the 2011 Nobel Prize for chemistry.
Researchers in New York are reporting that, for the first time, they've used cloning techniques to successfully create human embryos in the lab. Guy Raz talks about the ethical implications of this research with Insoo Hyun, associate professor of bioethics at Case Western Reserve University.
Daniel Shechtman's discovery that atoms could fit together inside of crystals in a nonrepeating pattern fundamentally changed the way chemists look at solid matter. His findings were widely criticized at first, and it took years for Shechtman to prove he was right.
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