A study showed that sex-based hierarchies in primates are more fluid than has been assumed, raising questions about the ...

While it’s a known fact that female guppies prefer orange and unusual patterns on their male partners, the team found that ...

Male guppies that glow with more orange aren’t just fashion-forward — they’re also significantly more sexually active. A UBC ...

It's known that female guppies prefer orange, and unusual, patterns in their male partners, but the team found that the color ...

Objective To describe and characterise serum androgen levels and to study their possible influence on athletic performance in male and female elite athletes. Methods 2127 observations of competition ...