Impossibles: your stories of scientific advancement

What inspires scientists like you to take on their Next Great Impossible? In this series, researchers from around the world share stories from science’s cutting edge.

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We all know someone who sees impossible as a challenge.

Nominate them and they'll receive a coveted Sigma-Aldrich® beaker mug, as well as the chance to feature in our Impossibles series.

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Nominate your most brilliant peer to be featured in our Impossibles series!

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will receive
a coveted
beaker mug.