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August 2, 2021 Cover

Volume 99, Issue 28

Fast-acting, spectroscopy-based sorting technologies help produce streams of pure recycled glass that manufacturers then use to make more bottles, jars, and other glass products. But technology alone won’t boost US recycling rates

Cover image:Fast-acting sorting technologies help produce streams of pure recycled glass that manufacturers use to make more bottles, jars, and other glass products

Credit: Strategic Materials

Full Article
Volume 99 | Issue 28

All Issues

Quote of the Week

“People toss bottles of every color in the bin and it comes back to us sorted by color. It’s like unscrambling an egg.”

Robert B. Hippert, sustainability strategy leader for manufacturing, O-I Glass

  • Chemists get creative to improve safety in underresourced labs

    When resources are lacking, researchers take it on themselves to adapt or create better safety practices

  • Air pollution disparities persisted during COVID-19 lockdowns

    Even as average levels of NO₂ fell, marginalized communities experienced relatively high levels of the pollutant

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Structural Biology

AlphaFold ‘pushes science forward’ by releasing structures of almost all human proteins

DeepMind’s AI predicted over 365,000 protein structures, which are now freely available online

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