Apparently, this user prefers to keep an air of mystery about them.
12 How did Greece avoid the Soviet sphere of influence? nov 27 '12
10 How did the Romans discover dry cleaning? jan 31 '12
8 What is the origin of the rampant lion herald? feb 23 '12
6 At what point did mapmaking begin to accurately reflect what we now know about the earth? jul 11 '12
5 When did we discover air? feb 2 '13