In many primate species, males are much larger than their female counterparts, which is generally attributed to male ...

Common migraine triggers for males include stress, physical exertion, bright lights, and lack of sleep, although the exact reasons for these triggers aren’t fully understood. Hormonal imbalances, such ...

A few males are enough to fertilize all the females. The number of males therefore has little bearing on a population's growth. However, they are important for purging bad mutations from the ...

New research is cutting male mammals down to size. While we may think of hulking elephant seal bulls or huge stags, these males appear to be the exception, rather than the rule. A new analysis of more ...

The concept of the alpha male isn't standing up to reality. A large majority of primate communities have shared dominance, meaning either sex can come out on top. And though the idea of male dominance ...

Males are bigger than females, right? Generally, this is true of humans – imagine the extremes of Dwayne “The Rock” Johnson and singer Kylie Minogue. It is also true of other familiar mammals ...