00:00Two scientists have won this year's Nobel Prize in chemistry.
00:03Henry Kagan and Kenso Soai received the award for their work on mirror image molecules,
00:09structures that are identical in makeup but reversed in shape, like a left and right hand.
00:14Their research helped explain how nature can favor one form over the other,
00:18a question that long puzzled chemists.
00:21The discovery has shaped how medicines and other compounds are designed,
00:25where the wrong mirror form can be useless or even harmful.
00:28The prize was announced by the Nobel Committee in Stockholm.
00:32The full story is in the description below.
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