The inviting smell of a freshly baked cookie immediately triggers a motor response to search for the source of that smell. Often the cookie can be easily found.

This everyday event that we perform without a thought is an amazing feat that combines our superior ability to smell the cookie and computational prowess to determine the direction to move toward the cookie. Robots that possess similar capabilities are yet to be developed as the basic biological principles that are needed to perform this task are yet to be fully understood.

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[Washington University in St. Louis, 2023.10.16, https://source.wustl.edu/2023/10/engineers-to-build-cyborg-locusts-study-odor-guided-navigation/]