male-male

I would like to tell you, if you really love a male, male is absolutely not going to retain.

"Being female and being in a species where male-male competition is less intense are both good for longevity apparently, " Alberts said.

Two years ago, the group published research identifying the pheromone that provokes male-male aggression in mice.

Conclusion: Intervention on male male sexual contact AIDS high dangerous behavior is an effective measure to prevent AIDS transmission.

Might male-male copulation in species as diverse as flour beetles and dolphins have similar, even predictable, evolutionary consequences?

The combined effects of male-male pairing and poor performance by male-female pairs could be severe.

Might these male-male copulations provide some benefit to the participants?

it works as a method for achieving control both in male-female and in male-male interaction (Sattel, 1983).

Male-male pairs courted, built nests together and paired off for several weeks.

Male male homosexual sexually transmitted in 2005, only in 2007, about , a clear upward trend in the proportion of infections.

It's really likely that having a longer penis evolved in male-male competition.

Overall, male-male mating was blamed for 81 per cent of unproductive nests in the dosed groups.

A man could have a "male-male" gene, which would promote the formation of Y sperm;