Add Popular Science (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results.

Add Yahoo as a preferred source to see more of our stories on Google. A wooden compost toilet - Cerise Hua/Getty Images When it comes to eco-friendly bathroom solutions, incinerator and compost ...

When was the last time you talked about toilets — really talked about them? We all use them every day, but it doesn’t exactly make for good dinner conversation. We don’t like to think about what ...