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Each week we post a new picture and a choice comment from each of our nine channels here at ScienceBlogs on our channel homepages. Now, we’re bringing you the best of the week in daily postings that will highlight individual channels. We kicked it off this week with Life Science; now, please enjoy the photo, comment, and a few particularly outstanding posts from the Physical Science channel below:

arches-large.jpg

A naturally framed view of Arches National Park, Utah. From Flickr, by James Gordon

Reader comment of the week:

In Alien or puppet? You be the judge!, Orac of Respectful Insolence shares a photo from an alleged alien sighting in Nebraska. The image, taken from a grainy, 3-minute video, shows a bulbous white face peering into an window 8 feet high. Orac was not convinced, nor were more most of his readers.

Barn Owl wondered:

“Why, after traveling great distances, would an alien be interested in the contents and inhabitants of a lame house in some lame American suburb?”

Exactly.

Some other Physical Science posts we thought were cool this week were:

Big Dig Begins

Geophysicist studies Earth’s magnetic field, likely to burn building down

What Does a Magnetic Field Look Like?

Fun With Thermal Resistance

Earthquake in Iceland

Look for highlights from other channels coming up!