|Photo by Kevin J.|
As reported in the Fragments-of-Truth blog (originally in Nature but not yet online), the experiment involved Actor A, trying to get a toy out of a container and requesting help from Actor B. Actor B either helped or didn't.
After the sessions, both actors offered a piece of food to the monkeys. While monkeys always took food from the helpful human (and the one who needed help), they often rejected food from the unhelpful guy.
The monkeys also knew the difference between humans who were just too distracted to help and those who are just plain mean.
Commenters on Reddit immediately tried to apply this knowledge to picking up chicks.
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