An excellent opportunity to brush up on mathematics begins today in the Opinionator blog in The New York Times.
Stephen Strogatz, a Mathematics Professor at Cornell University, promises to write about "the elements of mathematics, from pre-school in today's article to grad school...from an adult perspective" in upcoming articles.
They're "not intended to be remedial." He wants to show "what math is all about and why it's so enthralling to those who get it." Read it here.