Daily True or False
August 1, 2026
10 true or false questions from this day's daily challenge. Click each one to reveal the answer and explanation.
1.Keith Haring designed a mural for the 1988 Summer Olympics in Seoul.
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Hard
Keith Haring designed a mural for the 1988 Summer Olympics in Seoul.
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Keith Haring created a large mural at the Olympic Park in Seoul for the 1988 Summer Olympics, featuring his iconic figures.
2.Galileo was the first person to observe sunspots and realize they were on the Sun's surface.
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Hard
Galileo was the first person to observe sunspots and realize they were on the Sun's surface.
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False. Chinese astronomers recorded sunspots earlier. Galileo correctly argued they were on the Sun, but Thomas Harriot and others observed them around the same time.
3.A tarantula is the world's fastest spider.
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Medium
A tarantula is the world's fastest spider.
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Tarantulas are slow-moving ambush predators. The fastest spiders are species like giant house spiders or certain wolf spiders, not tarantulas.
4.Some stick insects spray a defensive secretion that smells like vinegar.
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Medium
Some stick insects spray a defensive secretion that smells like vinegar.
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Species like the southern two-striped walkingstick produce a chemical spray containing acetic acid, which gives it a vinegar-like odor. It deters predators but is harmless to humans.
5.Norman Rockwell received the Presidential Medal of Freedom in 1977.
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Medium
Norman Rockwell received the Presidential Medal of Freedom in 1977.
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President Gerald Ford awarded Norman Rockwell the Presidential Medal of Freedom in 1977, recognizing his contributions to American art and culture.
6.Marina Abramović was a professor of performance art at Yale University for 15 years.
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Medium
Marina Abramović was a professor of performance art at Yale University for 15 years.
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Abramović taught performance art for many years at the University of Fine Arts Hamburg, not at Yale. She has never held a professorship at Yale University.
7.Hammerhead sharks have a specialized sensory system that can detect the heartbeat of prey buried in sand.
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Hard
Hammerhead sharks have a specialized sensory system that can detect the heartbeat of prey buried in sand.
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Hammerhead sharks possess ampullae of Lorenzini, electroreceptors that sense electric fields—including the faint heartbeat of hidden prey like stingrays.
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.John Singer Sargent became a naturalized British citizen in 1910.
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Hard
John Singer Sargent became a naturalized British citizen in 1910.
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John Singer Sargent remained an American citizen his entire life. Although he lived in England for many years, he never renounced his U.S. citizenship.
10.Utagawa Hiroshige produced more than 5,000 woodblock prints during his lifetime.
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Medium
Utagawa Hiroshige produced more than 5,000 woodblock prints during his lifetime.
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Hiroshige was incredibly prolific, with estimates of his total print output ranging from 5,000 to over 10,000, including multiple famous series.
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