What should I do if the paper towel starts to dry out? Should I place the seed in a new paper towel?

I had the seeds for about four or about five years, but I kept them in a good dark place in my desk.
JohnHerer Reviewed by JohnHerer on . Germination question Have my seeds gone bad? Would it take a week to germinate? I used the paper towel method on one of my seeds and its been about a day and a half, didn't sprout yet. Rating: 5