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May 12, 2025 Cover
Volume 103, Issue 13
Researchers see mixed results trying to replace fluorinated chemicals in refrigeration, textiles, and ion-exchange membranes for fuel cells
Quote of the Week
“The human brain is incredibly complex. It’s incredibly intricate.”
A satellite constellation launches a new era of air quality monitoring
GEMS, TEMPO, and Sentinel-4 give researchers neighborhood-scale air pollution measurements across the northern hemisphere
FDA’s shift from animal testing opens doors for organoid makers
New policy could be a windfall for makers of nonanimal models
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Opinion: Is it time to amend the Toxic Substances Control Act . . . again?
Some 9 years after TSCA was updated, it’s clear it isn’t working—in part because some prior amendments left too much room for interpretation
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NSF terminates over 1,000 grants in 2 weeks
Chemistry education researchers and others hit by cuts weigh appeals and lawsuits
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Science Concentrates
- A new antivenom may neutralize 13 of the world’s deadliest snakebites
- Mouse study suggests that starch-based microplastics may harm health
- Plant fibers may help IBD drugs reach the lower gut
- Hydrogen plasma offers sustainable nickel production
- A satellite constellation launches a new era of air quality monitoring
NSF terminates over 1,000 grants in 2 weeks
Chemistry education researchers and others hit by cuts weigh appeals and lawsuits
