How (Not) to Celebrate the New Year: advice from 700 AD (hint - if you dress up as a stag or a calf you'll spend 3 years doing penance). Also, advice from 1862: How to Tell Your Fortune for the New Year.
Strange New Year traditions around the world.
Some links to avoid becoming philogrobolized:
Your Complete Guide to the Science of Hangovers
Infographic on the Anatomy of a Hangover
Hangover Cures From Famous Heavy Drinkers
According to a 2009 study in the Journal of Food Science, the amino acids and minerals found in asparagus extract may alleviate alcohol hangover and protect liver cells against toxins.
My favorite New Year's resolution story.
Why We Sing Auld Lang Syne on New Year’s Eve, and here's Mark Steyn singing and explaining What Are You Doing New Year's Eve?
Eat your heart out, New York: Boise, Idaho drops a giant potato downtown on New Year's Eve.
ICYMI, Most recent (all Christmas-related) links are here.