Here, I briefly consider some recent theoretical discussions and attempts to distinguish between the competing theories by estimating the values of key parameters on which each theory depends. For ...

For years scientists have known that some species of sharks, fish and lizards are capable of "virgin births," asexual reproduction known as parthenogenesis that occurs when unfertilized eggs develop.

Asexual: 'I have no sexual desire, I'm not missing out'Asexual: 'I have no sexual desire, I'm not missing out' ...