Peter Cameron (QMUL) blog on teaching and research in mathematics.
E3 Information Overload
A librarian's weblog of resources to assist in engineering, mathematics, and statistics education.
Geometry Bulletin Board
Burt Totaro on research and funding.
Tim Gowers on teaching and research, discussion of his experiments in crowd-sourcing mathematics.
IMA Maths Blogs
Blogs on mathematical topics listed by the Institute of Mathematics and its Applications.
IMA Maths blogger
Institute of Mathematics and its Applications (IMA) blog. Mathematical articles and news.
Blogs on mathematical topics hosted by the London Mathematical Society
Mathematical Sciences HE Curriculum Innovation
Updates from Peter Rowlett on the project 2010-12.
Posts mainly about math in the news or math problems of note.
A shared blog to keep up with what's going on in mathematics.
Travels in a Mathematical World
Peter Rowlett on speaking to mathematicians about their work.
Terry Tao on research and expository papers, discussion of open problems, and other maths-related topics.