Just 2 puzzles up for more than a day. What's up?
Rosetta@home has run out of workunits too. Probably a computer problem at the University of Washington; likely related to the bad weather they've been experiencing there.
If you are itching to fill time playing Foldit,
you could retry some old puzzles you did poorly on.
Another idea is to try to improve your favorite Recipes.
Puzzle 1635 is out.