The Toxic Substances Control Act (TSCA) directs EPA to use modern, non-animal "new approach methodologies" (NAMs) whenever scientifically appropriate when evaluating chemicals, and to reduce, refine, ...

As respected as it is ridiculed and often misunderstood, method acting—or, simply, the Method—is one of the most well-known performance techniques in the world. Here’s how the immersive approach to ...

Background Difference-in-differences is a method commonly used in population health research. It is based on assumptions that are well-known and well-understood in the classic textbook example of two ...