How important is my senior year schedule / GPA / extracurriculars? I know colleges don't want to see you totally slack off, but do they still care about you being as focused as previous years?

Dominic, I must say that I really love the style of your videos! It's a very crisp articulation of some pretty difficult concepts.

For someone considering a career in physics, what would you say are some of the best fields to go into right now?