US Daily Quiz — 28 April 2026

In the news recently...

Which music legend's biopic 'Michael' shattered the record for music biopic openings with a $97 million debut?
💡 Michael Jackson
Elon Musk and which OpenAI CEO headed to court in a high-stakes trial over alleged betrayal in AI development?
💡 Sam Altman
Travis Bazzana, the No. 1 overall pick in the 2024 MLB draft, was called up to make his major league debut with which team?
💡 Cleveland Guardians

Mixed bag

Found on beetles, crabs, and lobsters alike, what is the name of the hard protective skeleton that encases the body of an invertebrate rather than supporting it from within?
💡 Exoskeleton
In economics, what two-word term describes the value of the best alternative you give up whenever you make a choice — the invisible price tag attached to every decision?
💡 Opportunity cost
In this classic thought experiment from epistemology, a disembodied brain is kept alive in a vat of nutrients and fed perfectly convincing artificial sensory signals by a supercomputer — raising the unsettling question of whether we can ever truly know our experiences are real. What is the name of this philosophical scenario?
💡 Brain in a vat

On this date (28 April)

On April 28, 1789, the crew of which British Royal Navy ship staged a famous mutiny in the South Pacific, setting Captain William Bligh adrift in a small boat?
💡 HMS Bounty
On April 28, 1952, the Allied occupation of Japan officially ended following the entry into force of a peace treaty signed in which American city the previous year?
💡 San Francisco
On April 28, 1947, Norwegian explorer Thor Heyerdahl and his crew set sail from the port of Callao, Peru, on a balsa-wood raft to prove a theory about Polynesian migration. What was the name of that raft?
💡 Kon-Tiki