Chemists who created tools to build molecules win Nobel

They share the 10-million Swedish crown ($1.14-million) prize for their separate work on asymmetric organocatalysis, which the award-giving body said was "a new and ingenious tool for molecule building."

Catalysts are molecules that remain stable while enabling or speeding up chemical reactions performed in labs or large industrial reactors.

Prior to the laureates' breakthrough findings at the turn of the millennium, only certain metals and complex enzymes were known to do the trick.

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