Valerie Tiberius, chair of the Department of Philosophy, discusses the dangers of excessive introspection, getting lost in experience, positive illusion, and more in the "On Wisdom" podcast.

Valerie Tiberius, a professor of philosophy, collaborates with psychologists while studying the meaning of happiness. 

What is mathematics? Are the lines, planes, and intervals of mathematics composed of points, or are there other ways of thinking about these objects? According to Professor Geoffrey Hellman, questions like these have always posed problems for the discipline of mathematics. In two new books, co-authored with Stewart Shapiro of The Ohio State University, Hellman takes on these and other questions, seeking to clarify what is at stake in the various answers one might offer to them.

Do scientific theories fully describe the world? Do electrons and electromagnetic fields really exist? What sets science apart from other kinds of inquiry? Philosophers of science like Professor Samuel C. Fletcher grapple with these complicated questions daily. Fletcher recently introduced this way of thinking to a group of bright high school students in the Honors Mentor Connection class at Wayzata High School.