9 questions across 3 rounds · tap a question to reveal its answer
In the news recently...
NASA's Artemis II crew recently returned to Earth after a historic trip around what celestial body?
💡 The Moon
Which classic TV sitcom returned after 20 years with a four-part revival series on Hulu subtitled 'Life's Still Unfair'?
💡 Malcolm in the Middle
Pope Leo XIV is embarking on the first-ever papal trip to which North African country, in part to honor St. Augustine?
💡 Algeria
Mixed bag
Nitrogen makes up the lion's share of the air we breathe every day. Approximately what percentage of Earth's atmosphere is nitrogen?
💡 78%
In economics, what term describes the phenomenon where a product or service becomes more valuable as more people use it — explaining why everyone flocks to the same social networks and messaging apps?
💡 Network effect
In quantum mechanics, what is the name of the phenomenon in which two particles become correlated in such a way that the quantum state of one instantly influences the other, no matter how far apart they are — a phenomenon Einstein famously dismissed as 'spooky action at a distance'?
💡 Quantum entanglement
On this date (13 April)
On April 13, 1970, an oxygen tank aboard which American spacecraft exploded, forcing the crew to abort their moon landing mission?
💡 Apollo 13
On April 13, 1919, British troops opened fire on a large crowd of unarmed Indian civilians gathered in a walled garden in Punjab, in what became known as the Jallianwala Bagh massacre. In which city did this event take place?
💡 Amritsar
On April 13, 1953, CIA director Allen Dulles authorized a secret program of mind-control experiments on human subjects using drugs and other methods. What was the code name of this program?