"...he has been fairly clear that he is simply a boy who sometimes likes to dress and play in conventionally feminine ways."
Teaching Good Sex -- a profile of Philadelphia's Friends' Central School's Sexuality and Society course and its teacher Al Vernacchio, by Laurie Abraham, author of the book "The Husbands and Wives Club." (Descriptions in the first link may be NSFW.) [more inside]
Growing Up Sexually: A world atlas and encyclopedia of cross-cultural practices in the sexual enculturation of children. The project overview gives context for the site, which is a subproject of the frighteningly comprehensive International Encyclopedia of Sexuality. Primary author of site is an M.D. No images, text may not be safe for work.
Having sex at 12 is a bad idea. But if you're pubescent, it might be, in part, your bad idea. Slate rethinks the age of consent.
Kiss your son's belly button Spend six months in jail.
Harmful to Minors In the introduction to her book she writes that " 'Harmful to Minors' launches from two negatives: Sex is not ipso facto harmful to minors; and America's drive to protect kids from sex is protecting them from nothing. Instead, often it is harming them." Is she right, some think she is just evil.