It is one of the most romantic stories in the history of mathematics: in 1913, the English mathematician G. H. Hardy received a strange letter from an unknown clerk in Madras, India. The ten-page letter contained about 120 statements of theorems on infini

New analysis of the language and gesture of South America's indigenous Aymara people indicates they have a concept of time opposite to all the world's studied cultures -- so that the past is ahead of them and the future behind.

Almost any radio in the world is available through this website.

Written by a chronobiologist, this is a detailed guide to human sleep cycles, how to alter them, what they are...

To explore the future of AI, IEEE Intelligent Systems invited well-known AI scientists to contribute articles speculating about where AI is headed and how we might get there.

Kris Dresen commences her new graphic novel GRACE online today.

"A hanging", by George Orwell. Powerful writing.

Victor W. Henningsen is an Instructor in History and the Social Sciences at Phillips Academy Andover , MA . In this interview he discusses tradition, high expectation, greatness, and the influence of good teachers on students.