Butterflies And Wheels.com/
A website devoted to reason and rationality, set up in opposition to pseudo-science, relativism, the abuse of science, and other such fashionable nonsense. Plenty of interesting things here; regularly updated links to interesting news stories, articles, book reviews etc.
There is a section updated fortnightly by philosopher Julian Baggini, examining poor argumentative skills. There is a blog which examines woolly thinking appearing in the media.
There is also a top notch
Fashionable Dictionary.