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Sexify Your Brain!

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Welcome to Sex Your Brain—the sextastic website that expands your sexual smarts and skills!

Warp your brain around fun sex trivia questions, insightful commentary, and the web’s best sex survey.

Take me to the sex trivia test!

Mini Sex Test:
1. What's the average length of a man's erection?


2. What percentage of our survey takers have experienced female ejaculation?


3. Do most women have routine clitoral erections while they sleep?


4. Is the human penis a muscle, or a bone?



5. Women's non-lactating breasts are mostly made of what substance?


6. Which testicle dangles lower in most men?


7. Do sperm have brains?



101 Ways to Sex Your Brain:
  • The Sex Test: Test your sex smarts on our famous sex trivia test.
  • Sex Quizzes: A complete listing of our unique sex quizzes.
  • Sexy Q&A: Accurate answers to the craziest sex trivia questions.
  • The Sex Survey: See how your sexual stats compare to your peers…
  • Latest News: Our freshest sex related articles, commentary and quizzes.
Don’t Miss Out:

Thanks for visiting our ad-free, educational website and sex blog. We are constantly updating our blog with fun sexual trivia questions, answers and commentary, so join our swelling sexual revolution.

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Thanks for your support!
-Mr. Science

Sex Your Brain!