Time Management-NOT overrated

In science, or in every other aspect of life, there's always one common, recurring problem--running short of time.
What should we do when we have too much to do in too little time?
"There is only one solution: choices. Since you can't do everything, you must choose what you will do, and what you will not do. With too much to do and too little time, choice is the only possible alternative," quote M.E. Douglass in the book "Manage your Time, Your Work, Yourself."