Daily True or False
September 28, 2026
10 true or false questions from this day's daily challenge. Click each one to reveal the answer and explanation.
1.Al-Khwarizmi invented the concept of zero, which revolutionized mathematics forever.
Click to reveal answer ›
Medium
Al-Khwarizmi invented the concept of zero, which revolutionized mathematics forever.
Click to reveal answer ›
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.
2.Utagawa Hiroshige's work was a major influence on the European Impressionist movement.
Click to reveal answer ›
Medium
Utagawa Hiroshige's work was a major influence on the European Impressionist movement.
Click to reveal answer ›
Artists like Vincent van Gogh and Claude Monet admired and collected Hiroshige's prints, and his compositional techniques influenced their work.
3.Johnson's song 'Cross Road Blues' was the first blues recording inducted into the Grammy Hall of Fame.
Click to reveal answer ›
Hard
Johnson's song 'Cross Road Blues' was the first blues recording inducted into the Grammy Hall of Fame.
Click to reveal answer ›
While iconic, the first blues Grammy Hall of Fame inductee was actually 'The Thrill Is Gone' by B.B. King in 1998.
4.Alberto Giacometti was awarded a Nobel Prize for his contributions to art.
Click to reveal answer ›
Easy
Alberto Giacometti was awarded a Nobel Prize for his contributions to art.
Click to reveal answer ›
There is no Nobel Prize for art. Alberto Giacometti received other honors but never a Nobel—his fame rests on his sculptural achievements.
5.In 2016, a stick insect set the record for the longest insect ever measured.
Click to reveal answer ›
Hard
In 2016, a stick insect set the record for the longest insect ever measured.
Click to reveal answer ›
A stick insect species, Phryganistria chinensis, was discovered in China. It measured 24.5 inches (62.4 cm) long, making it the longest insect on record.
6.Marina Abramović collaborated with Ulay on the performance 'The Great Wall Walk' in 1988.
Click to reveal answer ›
Medium
Marina Abramović collaborated with Ulay on the performance 'The Great Wall Walk' in 1988.
Click to reveal answer ›
Abramović and Ulay each walked 2,500 km from opposite ends of the Great Wall of China to meet in the middle, ending their artistic and personal partnership.
7.Archimedes was killed by a Roman soldier while working on a geometry problem in the sand.
Click to reveal answer ›
Medium
Archimedes was killed by a Roman soldier while working on a geometry problem in the sand.
Click to reveal answer ›
According to Plutarch, Archimedes was so absorbed in a geometry problem that he ignored a Roman soldier's orders, leading to his death during the sack of Syracuse.
8.Leonardo da Vinci was a close friend and collaborator of Michelangelo.
Click to reveal answer ›
Medium
Leonardo da Vinci was a close friend and collaborator of Michelangelo.
Click to reveal answer ›
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.
9.Piranha can strip a human to the bone in under a minute.
Click to reveal answer ›
Easy
Piranha can strip a human to the bone in under a minute.
Click to reveal answer ›
This is a myth. While piranha may bite, attacks on humans are rare and typically involve only minor nips. They do not devour people quickly.
10.Man Ray was a key figure in the New York Dada movement.
Click to reveal answer ›
Medium
Man Ray was a key figure in the New York Dada movement.
Click to reveal answer ›
Alongside Marcel Duchamp and Francis Picabia, Man Ray helped establish Dada in New York in the 1910s and early 1920s.
Want to play in real time?
Swipe right for True, left for False. New daily quiz every day on PopBluff — free forever.
Play PopBluff Free →