We are thrilled to announce that we have expanded our quiz selection for you to enjoy! Every day of the week, you can now test your knowledge with a new set of challenging questions. Ray Hamel, your host, creates a unique quiz on a different topic each weekday for you to tackle. After completing the quiz, you can compare your score with the average contestant, and Slate Plus members can even see how they rank on our leaderboard. Share your results with friends and see who comes out on top as the brainiest.

Today’s quiz is all about science. Do you have what it takes to ace the quiz and beat the average score? Give it a try and good luck!

If this is your first time playing, make sure to read the rules before you begin. In order for the quiz to function properly, you may need to enable cookies in your browser. Enjoy and happy quizzing!