I’ve added some great math-related links for you guys to peruse:
What’s New: The blog of Terry Tao, one of the youngest mathematicians to receive the Fields Medal (the highest honor in mathematics). See also his excellent career advice section.
Division By Zero: A blog about math, puzzles, teaching, and academic technology.
Gowers’s Weblog: Mathematical Discussions.
Math Blog: the title says it all.
American Mathematical Society, and Society for Industrial and Applied Mathematics: Here you can find some excellent information for students.