Freedom of speech -- the right to express opinions without government restraint -- is a democratic ideal that dates back to ancient Greece. In the United States, the First Amendment guarantees free ...

Ancient sea creatures sported mohawk-like spines LONDON — When scientists discovered two ancient sea creatures from 430 million years ago, they didn’t expect to find themselves drawing parallels with ...

This is a reconstruction of the course of evolution of Marx’s and Engels’s ideas on women’s emancipation by Maximilien Rubel (1905-1996). Rubel drafted this article shortly before his death in 1996.