Rats Return Kindness with (measured) Kindness

Rats qualify the level of help they receive and when returning that help adjust their efforts depending on the quality of help they received. Norway rats reciprocate help according to the quality of help they received Direct reciprocity, according to the decision rule ‘help someone who has helped you before’, reflects cooperation based on the…

Taste Phenotype Predicts Who’s the Boss

http://www.plosone.org/article/info:doi/10.1371/journal.pone.0046606 Eaton JM, Dess NK, Chapman CD (2012) Sweet Success, Bitter Defeat: A Taste Phenotype Predicts Social Status in Selectively Bred Rats. PLoS ONE 7(10): e46606. doi:10.1371/journal.pone.0046606 Sweet Success, Bitter Defeat: A Taste Phenotype Predicts Social Status in Selectively Bred Rats Abstract For social omnivores such as rats and humans, taste is far more than…