Best Of MetaFilter

Wolfdog has posted the logic puzzle blog, Grandmaster Puzzles, featuring "elegant, hand-crafted designs written by some of the world's best puzzle constructors" ... and Mefites have some more recs in comments.

Dog Intelligence by alicejamieson (cc by-nc-nd)

Learning a thing or two, recently in Ask:

How can I improve my vocabulary?

What are some self-help, therapy-ish books that have really helped you?

Where do I learn how to give an injection?

I need to improve my skills at making mobile apps (and websites) usable and beautiful.

What puzzles, games or new activities can I do to keep improving my critical thinking, analytical, and logical abilities?

In 140 characters or less, tell me one tip/trick/event that helped you understand how to use and/or like Twitter.

And in Mefi blue, Start Your Art Journey Today: a series of drawing lessons for free for all beginners and anyone looking to refresh their artistic skills