Public breatfeeding of infants has been a protected legal right in this state since 2002. You still get some people who complain but legally mothers can do it in public.
Again: You can't prove the Big Bang, Dark Matter or Dark Energy. What other jokes you got on your side?
fun thing is, and I say this as one not antagonistic to theism, there's vastly more objective scientific evidence to support the reality of the biological origin of the condition we call transsexual than their has ever been for any particular God claim. (by that I mean a specific God specifically described, as opposed to the vague non-specific concept of a higher power).