A New Twist on Chirality

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Science  15 Jun 2001:
Vol. 292, Issue 5524, pp. 2021-2022
DOI: 10.1126/science.1062070

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Ever since Pasteur, chemists have tried to induce chirality in molecules without the intervention of any preexisting molecular chirality, for example, through stirring. But indications of induced chirality through stirring are usually discarded as irreproducible or as artifacts. In his Perspective, Feringa highlights the report by Ribó et al., who show that the formation of chiral assemblies of molecules can indeed be induced by stirring. The results may have implications for the origin of the single handedness of biomolecules.