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In this activity, learners conduct a simulation exercise related to public key encryption and try to intercept a message sent between two learners.

This lesson plan revolves around studying the speciation of the Galápagos mockingbirds, which are on display at the California Academy of Sciences.

In this online game, learners run an outer space drink stand and thirsty alien customers are on the way.

This activity about cryptographic techniques illustrates how to accomplish a simple, but nevertheless seemingly impossible task—making a fair, random choice by flipping a coin between two people who d