Stare decisis is the legal principle assuring that courts follow established precedents (prior decisions) when ruling on ...

PFAS water treatment has double benefits, cutting toxic 'forever chemicals' and carcinogens by Environmental Working Group edited by Sadie Harley, reviewed by Robert Egan Editors' notes ...

Scientists at Stellenbosch University have uncovered a rare class of plant compounds, flavoalkaloids, in Cannabis leaves for the first time. Using advanced two-dimensional chromatography and mass ...

Many Americans are left asking if their manicures are safe after the European Union moved to ban a popular ingredient. TPO's classification as “carcinogenic, mutagenic, or toxic to reproduction" seems ...

A key component in gel nail polish has been banned in Europe over fears it may cause cancer or infertility—but it remains in use across the U.S. this week. European officials designated ...

Sarah Burris is a long-time veteran of political campaigns, having worked as a fundraiser and media director across the United States. She transitioned into reporting while working for Rock the Vote, ...

Chinese researchers have developed a new carbon nanotube insulator that can withstand high temperatures up to 2,600°C, outperforming all other materials used for extreme-temperature applications. This ...

A new study finds that technologies installed to remove forever chemicals from drinking water are also doing double-duty by removing harmful other materials—including some substances that have been ...

Cannabis’ Schedule I status creates DEA/FDA/NIDA hurdles, limiting long-term research versus alcohol, leaving inconsistent product standards — especially for vapes. Risks differ: Alcohol is a Group 1 ...

Each week, exclusively for Slate Plus members, Prudie discusses a new letter with a fellow Slate colleague. Have a question for Prudie? Submit it here. By the grace of G-d, my daughter survived breast ...

New York City Mayor Eric Adams has started to push a new idea to limit how many liquor stores can operate in certain neighborhoods. The goal is to reduce alcohol-related harm. The proposal has ...

People who consumed the highest levels of certain artificial sweeteners — equivalent to just one diet soda a day — saw a significant decline in their ability to remember and recall words when compared ...