The Telegraph

The work comes up with the startling suggestion that both male and female brains contain the circuits for male and female behaviour but the ones that are actually used depend on signals from the body, which may turn one circuit on and the other one off.

The focus of sex specific behaviour in many species - though not humans - now shifts to a small sensory organ found in the noses of of most backboned creatures, except higher primates and birds.

QuoteScientists have found a way to turn female mice into aggressive, pelvic-thrusting masculine lotharios in an experiment that challenges established dogma.

So that's what the vet did when he fixed my dog.   She attempts to mount every dog she meets!

Cindi