Quick & curious · Perception

Most people read right past a mistake in this question.

Painting: pairs of animals, including horses, zebras and giraffes, head towards a large ark
Illustration: Edward Hicks, American, 1780 - 1849 (1780 - 1849) – Artist/Maker (American) Born in Langhorne, Pennsylvania, United States. Died in Newtown, Pennsylvania, United States. Details on Google Art Project · Public domain · Original

Your guess

How many animals of each kind did Moses take on the Ark?

More about it

Even experts fall for it: biology and history graduate students spotted false assumptions in questions from their own field more often – but not always, even when the error was printed in bold and underlined. Monetary incentives weakened the illusion only slightly.