Monday, October 18, 2010

Difference Between Humans and Animals, Part XI

In this continuing series I've mostly been mostly focusing on differences, but every so often I mention interesting similarities. Here's another example of the latter, Butterflies use medicine:
“What we do find is that the monarchs prefer to lay their eggs on the medicinal species when they are infected. However, when they are not infected with the parasite, they do not prefer this species over this one, they lay their eggs equally between these two species. So somehow they know that they’re infected and they know what to do about it.”
And here's another, monkey's wear power ties:
In many non-human primate species, a display of red by a female increases attraction behavior in male conspecifics. In two experiments, we investigate an analogous effect in humans, specifically, whether red on a woman's shirt increases attraction behavior in men. In Experiment 1, men who viewed an ostensible conversation partner in a red versus a green shirt chose to ask her more intimate questions. In Experiment 2, men who viewed an ostensible interaction partner in a red versus a blue shirt chose to sit closer to her. These effects were observed across participants' perceptions of their own attractiveness (Experiment 1) and general activation and mood (Experiment 2). Our findings suggest that red acts as a basic, non-lexical prime, influencing reproduction-relevant behavior in like manner across species.
Here's part one, two, three, four, five, six, seven, eight, nine, and ten of this series.

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