Why do home toilets typically have tanks, while public toilets often don't? What are some benefits of tankless toilets in public spaces from a design perspective? What is the S bend there for and how has this toilet design influenced modern plumbing? What are the implications of Hong Kong using seawater for toilet flushing in a densely populated city? What toilet innovations do you find most significant in improving sanitation and quality of life globally?

... we explain like I'm five

Thank you to the r/explainlikeimfive community and in particular the following users whose questions and comments formed the basis of this discussion: metrumax, rinsetorepeat, wouldbewanderer, toosmalley, jlowu571, j4ckr4bb1tsl1ms, dysgraphical, and guywithasockpuppet.

To the community that has supported us so far, thanks for all your feedback and comments. Join us on Twitter:

https://www.twitter.com/eli5ThePodcast/

or send us an e-mail:

[email protected]