Robo-sub takes Antarctic plunge

Here's an interesting article, with photos, of a robot submarine's dive to deep water in Antarctica. They found a lot of interesting sea life. The pictures are great.

Scidoku

I noticed that many of you enjoy doing sudoku puzzles. Here's one with a twist. It uses letters instead of numbers. Instruction are on the puzzle page. Just click on the title of this post. Let me know if you enjoy this puzzle.

How Real is your Pain?

This article discusses the best way to determine how much pain the patient is suffering. Click on the title to go to the article. I'd like to know what those of you who deal with patients in pain think about this article. Just press the comments button to respond.