What toilets and sewers tell us about ancient Roman sanitation

I've spent an awful lot of time in Roman sewers – enough to earn me the nickname "Queen of Latrines" from my friends. The Etruscans laid the first underground sewers in the city of Rome around 500 BC. These cavernous tunnels ...

Flushing toilets create clouds of virus-containing particles

Researchers used a computer simulation to show how a flushing toilet can create a cloud of virus-containing aerosol droplets that is large and widespread and lasts long enough that the droplets could be breathed in by others.

Using a public restroom? Mask up!

Think you don't need to worry about COVID-19 while using a public restroom? A group of researchers from Yangzhou University in China recently reported that flushing public restroom toilets can release clouds of virus-laden ...

Japan high-tech toilet makers flush with success

In Japan, the global leader in high-tech toilet design, the latest restroom marvel should come with a health warning for hypochondriacs -- it doubles as a medical lab that can really spoil your day.

Researchers study lengths of restroom queues

Two queueing theorists of Ghent University investigated why queues at restrooms are invariably longer for ladies than for men. Time and time again. What are the main causes for this disparity? And how can it be overcome? ...

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