If you believe the memes, men spend ages in the toilet. But they're not always pooing. Here's what they're really doing.
Water at informal settlements, where sanitation and waste management facilities were absent, had high bacteria levels.
Communication between programmers and local communities can provide good opportunities in the toilet prototyping process from the beginning of the design process.
If rolled out worldwide, our method could replace a quarter of all the synthetic nitrogen fertiliser used in agriculture.
Public restrooms can be scary when it comes to coronavirus, and they get scarier when you look at how the virus spreads. A doctor explains how to stay safe when you're traveling and really gotta go.
Buildings with lots of occupants such as tower blocks and hospitals could be a hidden risk in the battle against COVID-19.
Why toilet paper? Concerns about control and hygiene are the likely reason, according to experts
From crude drawing to advice and support, the scrawlings on toilet walls reveal differing communication patterns between the sexes
Tilting toilets are the latest suggestion to limit time spent on the loo at work.
In the rush to become 'open defecation free', cities are taking quick fixes that are making matters worse.
Despite awareness of the importance of hand washing, most people often fail to do it properly.
Technology is only part of the solution to giving people access to sanitation.
As climate change threatens to bring more sudden rainstorms, we need to rethink the way we manage water.
Women in developing countries are burdened by the lack of access to proper toilets in their homes, communities, schools and public spaces.
Existing toilets aren't a good fit for parts of sub-Saharan Africa because many areas lack water and there's often no proper plumbing.
There are numerous examples of failed aid projects, where sanitation systems have been installed without consulting local people, then abandoned by the community after the project team has departed.
Men spend, on average, around 60 seconds in a toilet, while women spend 90. This is for many reasons, including biology. This leads to a bottleneck that keeps women waiting around to use the loo.
Politicians on the right surely wipe with their left hand; and vice versa?
Sit v squat – the big public toilet stand-off.
What it's like trying to use a public loo when they aren't designed for you.