Daily True or False
October 7, 2026
10 true or false questions from this day's daily challenge. Click each one to reveal the answer and explanation.
1.Piranha rely entirely on their sense of smell to find food.
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Medium
Piranha rely entirely on their sense of smell to find food.
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Piranha have excellent vision and also detect vibrations via their lateral line. Smell is important, but they are not blind and use multiple senses.
2.Scorpion was originally a scientist before becoming a villain.
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Medium
Scorpion was originally a scientist before becoming a villain.
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Scorpion was a private investigator, not a scientist. J. Jonah Jameson hired him to discredit Spider-Man.
3.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.
4.Archimedes used mirrors to burn Roman ships during the Siege of Syracuse.
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Medium
Archimedes used mirrors to burn Roman ships during the Siege of Syracuse.
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This is a popular myth; no contemporary sources confirm it, and modern tests show it's highly impractical.
5.Kara Walker won a MacArthur Fellowship in 1997.
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Medium
Kara Walker won a MacArthur Fellowship in 1997.
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Kara Walker received the MacArthur 'genius' grant in 1997 at age 28, making her one of the youngest recipients.
6.John Constable's painting "The Hay Wain" won a gold medal at the 1824 Paris Salon.
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Hard
John Constable's painting "The Hay Wain" won a gold medal at the 1824 Paris Salon.
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Exhibited at the 1824 Paris Salon, "The Hay Wain" was awarded a gold medal by King Charles X, bringing Constable international acclaim.
7.Hammerhead sharks are often found traveling alone in the ocean.
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Medium
Hammerhead sharks are often found traveling alone in the ocean.
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Many hammerhead species, especially scalloped hammerheads, form large schools during the day. They are among the few sharks that exhibit social schooling behavior.
8.Saltwater crocodile has a venomous bite that can paralyze its prey.
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Easy
Saltwater crocodile has a venomous bite that can paralyze its prey.
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Saltwater crocodile has no venom glands. Its bite relies on immense crushing force, not toxins, to subdue prey.
9.Scorpion later became a host for the Venom symbiote.
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Medium
Scorpion later became a host for the Venom symbiote.
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In the comics, Mac Gargan became the third person to bond with the Venom symbiote, taking on the Venom identity.
10.In 2016, a stick insect set the record for the longest insect ever measured.
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Hard
In 2016, a stick insect set the record for the longest insect ever measured.
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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.
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