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Career Ladder: Luis Martínez

This synthetic chemist is now teaching students to create companies rather than molecules

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Food Science

Food chemists uncover the secrets behind pretzels’ unique scent

Researchers find 22 molecules that make chewy pretzels’ smell so tempting

CVS details dietary supplement–testing program

The retailer’s program requires third-party testing of supplements before they can be sold at CVS stores

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Persistent Pollutants

3M admits to unlawful release of PFAS in Alabama

US EPA barred company from discharging two substances to water

Chemical makers sign up for sustainability-linked loans

Companies are set to save on loan payments if they hit environmental targets

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Electronic Materials

Laser-made graphene enables simple, low-cost nanogenerator

Flexible, stretchable devices could be embedded in clothes and shoes to convert movement into electric power

Magnet doubles hydrogen yield from splitting water

Aligning the spin states of oxygen intermediates overcomes a bottleneck in electrolysis