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Sex Trivia with Mr. Science

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Welcome to Sex Your Brain, the stimulating sex trivia website that expands your sexual smarts (and skills!) with fun sex trivia questions, surveys and quizzes.

Explore the diversity of human sexuality with our popular online sex survey and science-minded commentary.

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Sex Trivia Sampler:
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. Which testicle dangles lower in most men?



5. Do sperm have brains?


More Sex Your Brain Fun:
  • The Sex Survey: See how your sexual stats compare to those of your peers…
  • The Sex Blog: Our latest sex related news, commentary and quizzes.
  • Sex Trivia Test: Stretch your sexual smarts on our famous sex trivia test.
  • Sex Quizzes: A complete listing of our unique sex quizzes.
  • Sexy Q&A: Accurate answers to fascinating sex questions.
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