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The challenge for Tuesday, September 1, 2026

The four questions from that day on GutGuesser. The answers aren't here: you find them by playing.

1.How much does an adult brain weigh?

Human body · Source: Neuroanatomía, peso medio en adultos

2.How much memory did the Apollo 11 computer have?

Space · Source: NASA, Apollo Guidance Computer

3.How many teeth does a great white shark get through in its life?

Animals · Source: Biología marina

4.How many lighthouses are there in the world?

World · Source: Asociación Internacional de Señalización Marítima

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We don't publish the answers. Every day there are four new questions, one minute, and whoever gets closest wins.

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