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Biological Chemistry

US CDC begins tracking influenza in wastewater to assess H5N1 spread

Amid multistate outbreaks of bird flu in dairy cows, public health officials are monitoring wastewater for early signs of the virus

Ahmed Badran

This synthetic biologist evolves proteins to tackle global challenges like climate change

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Persistent Pollutants

EPA faces lawsuit over PFAS in fluorinated plastics

Agency failed to address risks to human health within time frame required by US law, public health groups say

XPrize Carbon Removal narrows teams down to 20 finalists

Grand-prize winner will get $50 million, and runners-up will split $30 million

Miniature polymeric tubes separate enantiomers

Devices could offer an alternative to chromatography and speed screening of chiral compounds