
About this episode
To mark UN World Toilet Day on 19 Nov, Alex Lathbridge discusses all things toilet related with Andrada Fiscutean and Tristan Ahtone, as they attempt to lift the lid on our collective taboo of discussing sanitary matters.
In 2020, 3.6 billion people – nearly half the global population – lacked access to safely managed sanitation. Diseases such as cholera, typhoid, dysentery, and diarrhoea can spread amongst populations who still practice open defecation. And lack of access to a functioning toilet disproportionately affects women.
But even if you do have access to a flushing toilet, do you always close the lid? Researchers have measured the invisible aerosol plumes that rise up from the pan of an uncovered toilet flush, potentially spreading other communicable diseases including respiratory infections including even SARS-CoV2.
But flushing toilets are resource heavy. A normal flush can use 5l of water. Could they be re-conceived?
Prof Shannon Yee of Georgia Tech swings my to give us the latest on the “Reinventing the Toilet” project. Next March they hope to unveil the production model of the second generation reinvented toilet (“G2RT”). Much like other household appliances, it could run from a domestic power source, yet turn a family’s faecal matter and urine into clean water and a small amount of ash, with out the need for the grand and expensive sewage infrastructure required by more normal flushing cisterns.
In the black sea meanwhile, AI is being deployed to track the dwindling populations of the beluga sturgeon, from whom the luxury food caviar is harvested.
We discuss sightings of cryptids (mythical or scarcely believable animals) you have sent us, and after the announcement of the rediscovery of a rare echidna species in Indonesia, we look at how conservation and natural history expeditions have changed over the course of the broadcasting career of Sir David Attenborough.
Presenter: Alex Lathbridge, with Andrada Fiscutean and Tristan Ahtone Producer: Alex Mansfield, with Margaret Sessa Hawkins, Dan Welsh and Ben Motley
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