US Daily Quiz — 22 May 2026

In the news recently...

Which late-night host recently said goodbye to CBS viewers as he appeared behind his desk for the final time on 'The Late Show'?
💡 Stephen Colbert
Federal authorities in the US have charged which former Cuban president in connection with the 1996 downing of civilian planes flown by Miami-based exiles?
💡 Raul Castro
A Tennessee man who was jailed for over a month for a Facebook post about the assassination of which conservative activist won an $835,000 settlement?
💡 Charlie Kirk

Mixed bag

Divided into the Senate and the House of Representatives, how many chambers make up the United States Congress?
💡 2
When patients in clinical trials report real improvements in their symptoms after receiving a sugar pill they believed to be medicine, they are experiencing what well-documented psychological and physiological phenomenon?
💡 Placebo effect
Just as an indifference curve maps all combinations of goods that give a consumer equal satisfaction, what is the name of the analogous tool in production theory — a curve plotting all combinations of labor and capital inputs capable of producing a given level of output?
💡 Isoquant

On this date (22 May)

On May 22, 1859, which Scottish author, best known for creating the detective Sherlock Holmes, was born in Edinburgh?
💡 Arthur Conan Doyle
On May 22, 1980, which iconic arcade game, featuring a yellow character eating dots while being chased by ghosts, was released in Japan?
💡 Pac-Man
On May 22, 1947, U.S. President Harry Truman signed the Greek-Turkish Aid Act into law, providing $400 million in assistance. By what broader foreign policy name is this doctrine commonly known?
💡 Truman Doctrine