Ask a chemist to name the strongest single bond in organic chemistry, and they'll likely say carbon-fluorine. It's that bond, repeated dozens of times over, that gives per- and polyfluoroalkyl substances (PFAS) their nickname: forever chemicals. Manufacturers prize PFAS for the same reason regu...
The south-western village of Pomas was hardest hit, with hundreds of homes damaged and fifteen people taken to hospital.
AI systems are increasingly being developed to recognize emotions by analyzing facial expressions, voices, body language and other physiological signals. Although the scientific validity of many of these systems remains contested, they are already being tested in health care and security settings.
Fibrinogen, the abundant plasma protein best known for forming blood clots, may play a second and far less benign role during SARS-CoV-2 infection: acting as a molecular bridge that simultaneously hides the virus from neutralizing antibodies and delivers it to the cells lining blood vessels.
Researchers with the long-running Harvard–Cornell Archaeological Exploration of Sardis have unearthed a larger-than-life statue estimated to be nearly 2,500 years old.
Pennsylvania ranks second in U. S. natural gas production, accounting for about one-fifth of U.