It is easier than ever for anyone in the world to get a good education. Many top universities are placing their course content online, for free. There are also other educational resources put online by universities and organizations (like podcasts from NASA).

For many of the courses, not only do …

I have been asked to give two tutorial lectures at this fall’s Mathematics of Knowledge and Search Engines workshop series at the Institute for Pure and Applied Mathematics, which is a part of UCLA.

I just found out about this (me presenting), so it looks like I’ll be busy preparing the …

Paul Erdös was (1913-1996) a Hungarian-born mathematician known for being prolific (about 1,500 papers with about 510 co-authors) and eccentric. As to the latter, he spent most of his life traveling from place to place, staying in the homes of colleagues. Most of his possessions fit into …