9 questions across 3 rounds · tap a question to reveal its answer
In the news recently...
Which San Antonio Spurs star was ejected from an NBA playoff game for elbowing Naz Reid and receiving a Flagrant 2 foul?
💡 Victor Wembanyama
Shakira teased a new FIFA World Cup 2026 song called 'Dai Dai' featuring which Afrobeats superstar?
💡 Burna Boy
Which Republican senator from Maine disclosed that she has long had a condition called an essential tremor after facing scrutiny in her Senate race?
💡 Susan Collins
Mixed bag
What is the name of the largest country in the world by total land area?
💡 Russia
When a Russian physiologist rang a bell every time he fed his dogs, they eventually began to salivate at the sound of the bell alone — a discovery that became one of psychology's most celebrated demonstrations. What is the name of this type of learning, in which a neutral stimulus becomes associated with an automatic response?
💡 Classical conditioning
Proved by economist Kenneth Arrow in 1951, what theorem in social choice theory demonstrates that no ranked-choice voting system can simultaneously satisfy all of a small set of seemingly reasonable fairness criteria — such as unanimity, independence of irrelevant alternatives, and non-dictatorship — when there are three or more candidates?
💡 Arrow's impossibility theorem
On this date (11 May)
On May 11, 1997, IBM's Deep Blue supercomputer defeated which world chess champion in a historic six-game match, marking the first time a computer beat a reigning champion under standard tournament conditions?
💡 Garry Kasparov
On May 11, 1812, British Prime Minister Spencer Perceval was shot and killed in the lobby of the House of Commons, making him the only British Prime Minister to have suffered what fate?
💡 Assassination
On May 11, 1960, Israeli Mossad agents captured a former Nazi SS officer hiding in Argentina under the alias Ricardo Klement. What was this war criminal's real name?