Daily True or False
August 5, 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 was a close friend and collaborator of Michelangelo.
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Medium
Leonardo da Vinci was a close friend and collaborator of Michelangelo.
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Leonardo da Vinci and Michelangelo were rivals, not friends. They had a public feud, with Michelangelo mocking da Vinci's inability to finish works. No record of collaboration exists.
2.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.
3.Al-Khwarizmi invented the concept of zero, which revolutionized mathematics forever.
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Medium
Al-Khwarizmi invented the concept of zero, which revolutionized mathematics forever.
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Zero was developed independently in ancient India (by Brahmagupta) and Mesoamerica; Al-Khwarizmi helped popularize the Hindu-Arabic numeral system but didn't invent zero.
4.The first modern Olympics included a cycling race that lasted over 12 hours.
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Hard
The first modern Olympics included a cycling race that lasted over 12 hours.
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No cycling race lasted that long. The longest cycling event in 1896 was the 100 km race, which took about 3.5 hours. The 12-hour myth likely stems from early endurance events.
5.The highest-grade tuna for sushi is called 'otoro' and comes from the belly.
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Hard
The highest-grade tuna for sushi is called 'otoro' and comes from the belly.
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Otoro is the fattiest, most prized cut of bluefin tuna, taken from the belly. Its rich, melt-in-your-mouth texture makes it the most expensive sushi ingredient.
6.Robots were used in the Chernobyl cleanup, but many failed due to high radiation; human 'liquidators' performed much of the work.
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Medium
Robots were used in the Chernobyl cleanup, but many failed due to high radiation; human 'liquidators' performed much of the work.
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Soviet remote-controlled robots suffered electronics failures from radiation, so thousands of human 'liquidators' cleaned the reactor roof and other areas in short, intense shifts.
7.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.
8.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.
9.Scorpion gained his powers from a radioactive scorpion bite.
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Easy
Scorpion gained his powers from a radioactive scorpion bite.
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Scorpion's powers came from a scientific procedure involving a scorpion-themed suit and tail, not a bite.
10.Meryl Streep was a high school cheerleader and voted 'Most Likely to Succeed.'
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Medium
Meryl Streep was a high school cheerleader and voted 'Most Likely to Succeed.'
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Meryl Streep was indeed a cheerleader and homecoming queen at Bernards High School in New Jersey. She was also voted 'Most Likely to Succeed,' which proved prophetic.
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