Antea Group: PFAS Mitigation Strategies: Best Practices for Managing Contamination

NORTHAMPTON, MA / ACCESS Newswire / September 30, 2025 / PFAS are a group of man-made chemicals that are resistant to heat, water, and oil. Because of these properties, PFAS have been used in many ind ...
CounterPunch

As BRICS Meet to Fight Trump Tariffs, is It Time for Multi-Polar or Anti-Polar Politics?

On September 8, at an emergency online meeting called by Lula to discuss trade, the BRICS leaders will be put to a serious test: in the face of chaotic US tariff policies, can they transcend their ...
C&EN

Effects of Encapsulating Tube and Encapsulated Molecular Chain Length on the Second-Order Nonlinear Optical Responses of Carbon Nanotubes Filled with Head-To-Tail Polar Molecules

College of Chemistry and Chemical Engineering, Mianyang Teachers’ College, Mianyang621000, P. R. China Chongqing Key Laboratory of Theoretical and Computational Chemistry, College of Chemistry and ...
C&EN

Ultrasensitive Direct Chemical Analysis of Human Hair Using Proton Transfer Reaction Time-of-Flight Mass Spectrometry (PTR-TOF-MS) for Nontargeted Exposure Profiling

Exposure to air pollution plays a significant role in human health. Current methods of measuring human exposure are often limited to outdoor measurements, are time intensive, or are unable to ...
Frontiers

A new paradigm from the Arctic

Academics, activists, and Arctic inhabitants are deeply concerned about cryosphere systems at imminent risk of collapse, and yet decades of “consequences-based” lobbying have failed to produce ...
IEEE

Secure Polar Coding with Non-stationary Channel Polarization

Abstract: In this work, we consider the application of the nonstationary channel polarization theory on the wiretap channel model with non-stationary blocks. Particularly, we present a time-bit coding ...