#245 What's the Kennection?

1) What nickname for a silent film vixen like Theda Bara referred to her power to drain men of their life force, just like Dracula would?
2) What architectural structure is made of wedge-shaped voussoirs, with one in the center called a keystone?
3) Point d'Alençon is a type of what delicate material, which can be made with a tatting needle?
4) What part of a giraffe can be 20 inches long—and is bluish-black, probably to protect it from sunburn?
5) What fish should you buy in its prized "Dover" variety if you're going to serve it à la meunière?
What's the "Kennection"?
Ken Jennings was on Jeopardy! 75 times in a row, so long that your grandma got sick of him. He is the author of nine books, most recently the Junior Genius Guides for children. He lives in Seattle.