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October 4, 2021 Cover
Volume 99, Issue 36
As US states ban the use of ‘forever chemicals’ in these products, papermakers are turning to other materials—without disclosing what’s in them
Cover image:As US states ban the use of ‘forever chemicals’ in these products, papermakers are turning to other materials—without disclosing what’s in them
Credit: Shutterstock
What’s after PFAS for paper food packaging?
As US states ban the use of ‘forever chemicals’ in these products, papermakers are turning to other materials—without disclosing what’s in them
Can seawater give us the lithium to meet our battery needs?
To harvest lithium from the oceans, chemists are developing methods that can isolate the element from dilute solutions filled with chemically similar elements
New complex alloys push the limits of materials
Unorthodox high-entropy alloys open a world of possibility, but discovering them is the challenge
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Forensic chemist Maiken Ueland examines emissions from human remains
University of Technology Sydney scientist explains how volatile organic compounds from human decomposition can help find victims of crimes and mass disasters
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Fish scales repurposed for spectroscopy
Salvaged scales hold tiny amounts of precious analytes
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Science Concentrates
- 2D material has record-breaking thermal properties
- Mass spec analysis of plasma shows that individuals have unique but simple antibody profiles
- How do wind instruments spread aerosols indoors and out?
- A natural mosquito repellent’s most active form found
- 2021 MacArthur Fellows include four molecular scientists
New method makes starch from CO₂ faster than plants can
The advance hints at sustainable, efficient factory production of food and industrial chemicals
