So I somehow got linked to the following web page (http://www.livescience.com/strangenews/top10_unexplained_phenomena.html) which I thought was going to give a list of the top ten legitimate scientific mysteries of our time. Instead I got a list of idiotic things like UFOs and ESP. *Sigh*. Anyway, it got me thinking that it would be interesting to quantify the true scientific mysteries of our time. After all, it was the relatively obscure problem of the black body spectrum 100 years ago that opened up the door to the gigantic mess we have now. :) So what's left to be resolved? My list: 6) Existence of the tachyon 5) Behavior of identical particles 4) Renormalizaiton in QFT 3) Existence of the Higgs Boson 2) Violation of Bell's Inequalities 1) Quantum Gravity Are the others that are even more obscure or more mysterious?