Photographs taken last week show Culann Patera doing something violent yet strangely beautiful, probably brought on by the cumulative effects of stress. Scientists attributed the particularly vibrant colors on display to some unusual chemical reactions, but nobody was about to get close enough to check. What was Culann Patera doing? (Question courtesy of Greg Diamond.)

Send your answer by 10 a.m. ET Wednesday to newsquiz@slate.com.

Friday's Question (No. 432)—"Virginia Dare":

Thousands of people want to do something in Prince William County, Va., this summer, but publisher Dean Regan laments, "It's getting harder and harder to find a [place] that's big enough and rural enough." To do what?

"The Thomas Jefferson family reunion."—Carrie Rickey

"Keyes-stock."—Pete Miesel

"It's enough to drive you nuts. Manitoba is big and rural, but will anyone ever consider us for this? No, we're too far north and west."—Chris Hurst

"Stage the annual Nude Battle of Bull Run re-enactment."—Charlie "Watch Where You Point That Bayonet" Glassenberg

"What's a publisher doing in Prince William County, Va.? Is he lost?"—Leigh Anne Kippeny

Click for more answers.