Daily True or False
May 20, 2026
10 true or false questions from this day's daily challenge. Click each one to reveal the answer and explanation.
1.Alexander Fleming discovered penicillin by accident when a mold contaminated his bacterial cultures.
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Easy
Alexander Fleming discovered penicillin by accident when a mold contaminated his bacterial cultures.
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Fleming returned from vacation in 1928 to find mold (Penicillium notatum) had killed surrounding bacteria—a lucky accident that changed medicine.
2.Utagawa Hiroshige served as a samurai warrior before his art career.
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Medium
Utagawa Hiroshige served as a samurai warrior before his art career.
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Hiroshige's family were low-ranking samurai, but his role was as a fire warden, not a warrior. He never served as a soldier or swordsman.
3.Hammerhead sharks give birth to live young rather than laying eggs.
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Medium
Hammerhead sharks give birth to live young rather than laying eggs.
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Hammerhead sharks are viviparous; embryos develop inside the mother and are born live. This is a common reproductive method among many shark species.
4.Pizza was invented in Italy, but the first pizzeria opened in the United States.
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Medium
Pizza was invented in Italy, but the first pizzeria opened in the United States.
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The first pizzeria, Antica Pizzeria Port'Alba, opened in Naples, Italy in 1738. Lombardi's in NYC (1905) was the first US pizzeria.
5.John Cabot's real name was Giovanni Caboto, an Italian explorer sailing for England.
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Medium
John Cabot's real name was Giovanni Caboto, an Italian explorer sailing for England.
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He was born Giovanni Caboto in Genoa or Venice and later anglicized his name when serving under King Henry VII of England.
6.Taylor Swift owns the master recordings of all her albums from 'Speak Now' onward.
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Medium
Taylor Swift owns the master recordings of all her albums from 'Speak Now' onward.
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Taylor Swift does not own any of her Big Machine masters. She is re-recording them as 'Taylor's Versions' to regain control, but the originals are still owned by others.
7.Meryl Streep speaks fluent German and performed a scene entirely in German in 'The Iron Lady'.
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Hard
Meryl Streep speaks fluent German and performed a scene entirely in German in 'The Iron Lady'.
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Meryl Streep is not fluent in German. For a brief moment in 'The Iron Lady', she learned a few German lines phonetically, not a full scene.
8.Alexander Calder received the Presidential Medal of Freedom in 1976.
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Hard
Alexander Calder received the Presidential Medal of Freedom in 1976.
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President Gerald Ford awarded Calder the Presidential Medal of Freedom in 1976, recognizing his contributions to art.
9.Man Ray was born in Paris, France.
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Easy
Man Ray was born in Paris, France.
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Man Ray was born in Philadelphia, Pennsylvania, on August 27, 1890. He later moved to Paris and spent most of his career there.
10.John Constable produced numerous cloud studies to improve his depiction of the sky in landscapes.
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Medium
John Constable produced numerous cloud studies to improve his depiction of the sky in landscapes.
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John Constable made many oil sketches of clouds, often noting weather conditions. He believed the sky was a key element in landscape painting.
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