What time-wasting app originally launched in 2011 under the name "Picaboo"?
"Ghostface Chillah" is the faceless and possibly soulless mascot of what messaging software?
Sent pictures self-destructing after 10 seconds: Such was the original gimmick of what app?
What scientist wrote the controversial Dialogue Concerning the Two Chief World Systems?
Jupiter's biggest moons are named for what world-shaker who spent his final decade under house arrest?
What Italian got into big trouble — and the lyrics to "Bohemian Rhapsody" — for saying the Earth goes around the Sun?
One of the U.K.'s most iconic comestible concerns, Colman's chiefly concocts what condiment?
Polar opposites in price and packaging, Grey Poupon and Plochman's purvey what pungent paste?
French's finagled a fine fortune by festooning frankfurters with what forceful flavoring?
Extravagantly decorated buses called "tap-taps" roam what world capital?
A nod to its ex-slave revolutionary hero, Toussaint Louverture International Airport serves what city?
The 2010 Haiti earthquake leveled the cathedral in what coastal metropolis?
The nobleman who tries to woo Juliet and gets stabbed by Romeo is Count ... WHO?
What mythical beauty contest judge kicked off the Trojan War by yoinking Helen to Troy?
The Musees D'Orsay and Picasso aren't even the most famous art museums in what world capital?