The drug supply is constantly evolving, and some experts suggest that a “fourth wave” of the opioid epidemic is underway, in which illicit fentanyl is more frequently mixed with other drugs.

Dr. James J. Downs, of Eastman Chemical, joins as Topical Editor for the Process Systems Engineering section. Jim brings a huge wealth of experience gained in over 40 years of working across many ...

New testing shows rising levels of toxic PFAS chemicals in water sent to thousands of households in South San Diego County.

The chemical, a fine white powder, has appeared in the illegal fentanyl sold in cities across the United States. The health ...

The U.S. EPA regulates levels of more than 90 contaminants in public drinking water, but thousands more potentially harmful ...

Republicans in the Iowa Senate advanced a bill Wednesday that would limit lawsuits by Iowans seeking compensation for ...

Learn more› By Erin Roberts and Ben Keough After considering new apps, we still think that Adobe Lightroom and Snapseed are the best choices for editing photos when you’re away from a desktop ...

DNA analysis confirmed the animal was related to wolves, while chemical isotope testing showed it had a diet rich in salmon, suggesting possible human involvement. Researchers debate whether this a ...

two government officials said, in a bid to bolster the burgeoning industry and wean off supplies from China.

State Key Laboratory of Material Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, P. R. China ...