STEVE INSKEEP, HOST:

Good morning. I'm Steve Inskeep.

A wildlife photographer in Wales found out the action was very close to him. Rodney Holbrook had a workbench. He sometimes left it a mess at the end of the day, only to discover it tidied up in the morning. He set up a night vision camera, and video showed a mouse gathering loose items in a tray. Holbrook doesn't bother organizing his bench anymore. He lets the mouse do it. Think of the creature as the world's smallest personal assistant.

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