The Substance, which stars Demi Moore and Margaret Qualley, is a huge success, and this is a compelling fan theory about Moore's character Elizabeth.

Scientists are on the trail of a mysterious five-particle structure that could challenge one of the biggest theories in ...

A study by Dartmouth researchers proposes a new theory about the origin of dark matter, the mysterious and invisible substance thought to give the universe its shape and structure. They say the ...

In this article, we discuss what CM is, the theory behind it, examples of CM, ... McPherson SM, et al. (2018). A review of contingency management for the treatment of substance-use disorders: ...