Early in my career, I had the opportunity to work in cardiovascular research and development. Among the many projects I worked on, one was a coronary-artery bypass graft for situations when an individual's primary coronary arteries would become occluded, or plugged, with plaque. This is called vascular occlusion, and will kill you if not caught early.
Here are two examples from last week alone:
First: The United States House of Representatives passed the Leahy-Smith America Invents Act, now in front of the Senate and headed quickly to the willing signature of the President. For those of you not monitoring it, the Act changes the current patent approval system from 'first to invent' to 'first to file'