G-protein-coupled receptors are membrane proteins that are regulated by a small family of arrestin proteins. During formation of the arrestin–receptor complex, arrestin first interacts with the ...

The C-Loop and its magic swivel-arm. Most all DSLRs come with built-in top-side brackets you can use to attach your camera strap. But what you might not know, is that it’s far more comfortable to ...

Back in June, when I first reviewed the C-Loop camera strap mount from Custom SLR ($40), my favorite camera strap and mount was actually the RS-5 system from a company called Black Rapid. But since ...

Because I find it hard to relate to something as small as the structure of the human genome, I like to imagine it scaled up a millionfold. At this size, each DNA molecule—a chromosome—is as wide as a ...

Feedback loops play an important role in all aspects of life. Basic human physiology, for example, relies on feedback to maintain a safe environment. Feedback loops influence our behavior, and many ...