Free and Inexpensive Ways to Teach Children About Music [Parenting Squad]
Math Teachers At Play #30 - Lots of great ideas for teachers in any subject.
Life's a Carnival - The Education Buzz Edition #4 [Bellringers]
50 Excellent Open Courses on Teaching With Technology [Online Colleges & Universities] - Don't get overwhelmed; as you would with any resource, pick and choose what makes sense for you.
Two courses for parents from the New York Times - The Grey Lady is offering a course on the college admissions process and another on teaching teens about money. They're not free, but reasonable.