Travel
The Schiphol urinal fly: the true story (and the myth of 80%)
Amsterdam Schiphol etched a fly into its urinals in the early 1990s. Who came up with it, whether it really cut spillage by 80%, and why economists love it.
Travel
Airport restrooms of the world
The airport restrooms of the world, one terminal at a time.
Travel
Why Tokyo Haneda has the cleanest airport toilets in the world
Haneda has been named the world’s cleanest airport 11 years running. The cleaner behind it, the transparent toilets of Shibuya and the film they inspired.