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February 27, 2017 Cover

Volume 95, Issue 9

Cornered on pricing, drugmakers fire back with their standard message about world-class science

Full Article
Volume 95 | Issue 9

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Costly drugs

Cornered on pricing, drugmakers fire back with their standard message about world-class science

  • Scanning probes investigate nanoscale phenomena

    Innovative analytical techniques push the limits in studies of catalysis, electrochemistry, and molecular imaging

  • Confronting the looming hexavalent chromium ban

    Critical corrosion-limiting element is proving hard to replace in aerospace applications

  • How many chemicals are in use today?

    EPA struggles to keep its chemical inventory up to date

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Biological Chemistry

Computers predict molecules’ scent from their structures

Crowdsourcing project feeds odor perception data into machine-learning algorithms to sniff out compounds’ aroma profiles

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