A Sky Full of Dark Stuff

When you look at the stars, you probably know what you’re seeing, or at least you think so. If your sky-gazing needs a bit of extra mystery, nature seems to have provided it: Oct 18, 2011: NASA’s Fermi team recently released the second catalog of gamma-ray...

The PR Call

You know how sometimes a friend or family member calls and delivers such a perky everything’s perfect call that you can almost feel the gloss on their tongues? A friend was over yesterday describing such a call from a friend of hers as “the PR call.”...