Can you solve the frog riddle?

collections: Ted-Ed, Riddles, Mathematics
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Posted 11 January 2018
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Duration of the video: 4 Min. 7 sec.
Description
You’re stranded in a rainforest, and you’ve eaten a poisonous mushroom. To save your life, you need an antidote excreted by a certain species of frog. Unfortunately, only the female frog produces the antidote. The male and female look identical, but the male frog has a distinctive croak.
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