The instructions from the new, soon-to-be-released manual for the chemistry merit badge say the indicator can be made by ...

And in 1953 the Pentagon adopted the Nuremberg Code for its defensive studies of atomic, biological and chemical warfare. They were the first and only US government agency to adopt the code word for ...

Experiments in mice show that some gut bacteria can absorb toxic PFAS chemicals, allowing animals to expel them through feces.

For years, people who asked questions in good faith were dismissed, even vilified by the media and their own government. This ...

In this paper, the 3D simulation software is applied to the teachers' teaching and students' pre-class preview, in-class drill and after-class review. The software can be used immediately with or ...