EDIT: oil has already been closed as correct. I was probably underconfident there - oil has such volatility in recent years one should expect it to go over $100/bbl even with quasi-efficient markets in mind.
Thanks
2 - I've put up a more precise prediction http://predictionbook.com/predictions/2134
5 - I've put up a more precise prediction asserting a Nobel prize win for a non-string unification theory by end of 2020.
As we did last year, use this thread to make predictions for the next year and next decade, with probabilities attached when practical.
Happy New Year, Less Wrong!