List of mathematics-related blogs by academics

See also: <a href="http://news.ycombinator.com/item?id=872254" rel="nofollow">http://news.ycombinator.com/item?id=872254</a>

Note also just how many refer to Terence Tao's web pages... there is excellent stuff there.

I'm sorry, I don't even know what half of those subjects even involve. Perhaps a better list would be of links to /learn/ at least introductions to those different subjects. And Wikipedia doesn't count.