It's the 50th episode of the podcast and we're celebrating by doing what a couple of nerds love best: testing our knowledge! How many episodes have you listened to? Join in and test your own knowledge of our episodes so far with this special quiz episode.

When you've finished the quiz, share your answers with us on social media so we can see how you did!

Find the full notes for this episode, including where you can learn more about these topics, at learnaboutpod.com. You can also follow us on Instagram and Twitter at @learnaboutpod.

Support us on Patreon: patreon.com/learnaboutpod