Doctor trivia:Who is the world’s most invented drug?

Doctor trivia:Who is the world’s most invented drug?

The invention of fentanyl as a drug comes from the Belgian doctor Paul Janssen, the founder of Janssen…
Movie trivia:How was the film invented?

Movie trivia:How was the film invented?

In fact, the origin of the film originated from two people who did not accept anyone, one is…