Strain of living with competitive males: Males age faster than females due to brawling in early adulthood
Male badgers that spend their youth fighting tend to age more quickly than their passive counterparts according to new research from the University of Exeter.
A US appeals court on Tuesday upheld a 2013 ruling that Apple led an illegal conspiracy to fix prices of e-books in violation of anti-trust laws.
Male flour beetles increase their courtship effort and their sperm count if a female smells of other males
Male flour beetles increase their courtship effort and their sperm count if a female smells of other males according to a study published in the journal Behavioural Ecology.
The chance of a male fathering offspring may not be a simple race to the egg, but is influenced by the length of the male's sperm, say scientists from the University of Sheffield.
Why do male animals need millions of sperms every day in order to reproduce? And why are there two sexes anyway? These and related questions are the topic of the latest issue of the research journal Molecular Human Reproduction ...