Our picks for the week of Dec. 13-19:
• Voila! See our photo gallery of 12 animals with a creative bent.
• Does green make you mean? One group of scientists seems to think so — conveniently, just in time for Christmas.
• The plight of the reindeer: Will Santa's helpers go down in history with climate change?
• Media Mayhem: Our love affair with the automobile isn't so romantic after all.
• Check out our photo gallery of 7 unlikely things global warming could take away from you.
• In case you missed it this week, check out this clever octopus that created a coconut shelter — and took it with him.
• And finally, don't miss these awesome animal vs. animal videos from YouTube. We've compiled 19 of the best ones for your viewing pleasure.
PLUS: Take a tour of the planet with our week in photos.