Daily True or False
August 10, 2026
10 true or false questions from this day's daily challenge. Click each one to reveal the answer and explanation.
1.Leonardo da Vinci designed a mechanical knight that could sit, stand, and move its arms.
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Hard
Leonardo da Vinci designed a mechanical knight that could sit, stand, and move its arms.
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In his notebooks, Leonardo da Vinci designed a mechanical knight with gears and pulleys that could sit, stand, and move its arms. It is considered an early robot concept.
2.Utagawa Hiroshige was born in Kyoto, Japan.
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Easy
Utagawa Hiroshige was born in Kyoto, Japan.
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Hiroshige was born in Edo (now Tokyo), not Kyoto. He spent most of his life there and is strongly associated with the city.
3.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.
4.Galileo never actually dropped balls from the Leaning Tower of Pisa to test gravity.
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Medium
Galileo never actually dropped balls from the Leaning Tower of Pisa to test gravity.
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The famous experiment is a myth. Historians agree Galileo likely used inclined planes for motion studies, and the tower story was popularized posthumously by his student Viviani without contemporary evidence.
5.Michelangelo designed the fortifications of Florence during a siege.
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Medium
Michelangelo designed the fortifications of Florence during a siege.
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In 1529, Michelangelo was appointed to oversee the fortifications of Florence, which was under siege by Papal and Imperial forces.
6.Serena Williams has been ranked world No. 1 for more total weeks than any other female player.
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Hard
Serena Williams has been ranked world No. 1 for more total weeks than any other female player.
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Steffi Graf holds the record with 377 weeks at No. 1; Serena Williams had 319 weeks, placing her third behind Graf and Martina Navratilova (332 weeks).
7.Dolphins can only breathe voluntarily, meaning they can't breathe automatically.
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Medium
Dolphins can only breathe voluntarily, meaning they can't breathe automatically.
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Dolphins are conscious breathers; they must decide to take each breath, which is why they never fully sleep and only rest half their brain at a time.
8.Max Ernst developed the frottage technique by rubbing pencil over paper placed on textured surfaces.
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Medium
Max Ernst developed the frottage technique by rubbing pencil over paper placed on textured surfaces.
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Max Ernst invented frottage in 1925 after being inspired by the texture of floorboards. This method became a key Surrealist technique.
9.Michael Jordan never lost a playoff series after his first retirement in 1993.
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Medium
Michael Jordan never lost a playoff series after his first retirement in 1993.
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After returning from his first retirement, Jordan lost to the Orlando Magic in the 1995 Eastern Conference semifinals. He later won three more titles.
10.Camille Pissarro was a leading figure in the Cubist movement.
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Medium
Camille Pissarro was a leading figure in the Cubist movement.
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Pissarro died in 1903, before Cubism emerged around 1907. He was a key Impressionist and Neo-Impressionist, not a Cubist.
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