Semiotics is the study of nature and the role of signs in the world. It was developed by many scholars such as Charles Peirce, Ferdinand de Saussure, and Yuri Lotman. Through these studies, it is ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American One of the tragedies of aging is the slow but ...

Memory can wither with age. Forgetfulness can be unnerving, but there are ways you can support your mind during memory loss — or support a loved one going through it. While not all lost memories can ...