I've discussed Fully Body Tantra Orgasms, but what about other Orgasms?  I recently watched this fun TedTalk by Mary Roach, author of "Bonk"

"The study of sexual physiology—what happens, and why, and how to make it happen better—has been going on for centuries, behind the closed doors of laboratories, brothels, Alfred Kinsey's attic, and, more recently, MRI centers, pig farms, and sex-toy R&D labs.  I spent two years wheedling  and conniving my way behind those doors to bring you the answers to the questions Dr. Ruth never asked.  Is your penis three inches longer than you think? Is vaginal orgasm a myth?  Can a dead man get an erection? Why doesn't Viagra help women—or, for that matter, pandas?"

On this talk she delves into scientific research about sexual climax, from the bizarre to the hilarious! 

Link here: http://www.ted.com/talks/mary_roach_10_things_you_didn_t_know_about_orgasm