Many heterosexual college males say 'That's so gay,' but why?

(Phys.org)—"That's so gay" is a popular expression on campuses nationwide among heterosexual students, especially young men. But why do they say it? A new University of Michigan study sheds light on this question.

Power struggles are best kept out of the public eye

For animals, prevailing in a fight affects their likelihood of winning future conflicts. The opposite is true of losing a fight. The sex hormone testosterone is often believed to mediate this "winner effect". Researchers ...

Pheromones and social status: Macho mice smell better

Male house mice produce several pheromones, which are volatile and non-volatile chemical signals that have potent effects on the reproductive physiology and behavior of female mice. A recent study conducted by researchers ...

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