Newsletter #278: Optimists and pessimists found among pigs


Obrazovach
 
Newsletter #278: Optimists and pessimists found among pigs
Source
Newsletter #278: Optimists and pessimists found among pigs - My, Obrazovach, The science, Accordion, Animals, Piglet Peter, Pig, Optimism, Humor, Repeat
Accordion Animals The science Obrazovach Optimism Repeat Piglet Peter Pig Humor
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