Cosmologists are increasingly entertaining a radical possibility: that the cosmos might fold back on itself so that, on the ...

Forbes contributors publish independent expert analyses and insights. I write about physics, science, academia, and pop culture. This article is more than 8 years old. When I woke up Sunday morning, ...

Psychologists at the University of Liverpool have found that people still find it difficult to understand how mirrors work. Psychologists at the University of Liverpool have found that people still ...