Answers to last week's most interesting Qs...

... from this post, below.

Unreasonably Difficult:

1) Euclid (read his proof here)
2) University of Iowa, Iowa State, Oklahoma State
3) Actinium

Theme Round:

The theme was RED. Why?

1) Dawn, as in the film Red Dawn
2) Bono, he of the (Red) campaign
3) Cincinnati (home of the Reds), and here's the story of how the name came about
4) Eric Robert Rudolph; hence Eric the Red or the Red-Nosed Reindeer
5) Mars, the Red Planet
6) Harum Scarum, and the link being the Red Scare
7) Marshall Tito of Yugoslavia, who was a Red leader
8) Greg "The Bull" Luzinski - via Red Bull
9) Fox in Socks; Redd Foxx or Red Sox
10) Fez, and they're usually red