The latest installation of The Science Inside radio show looks at  failed toilets and water service delivery.  In this show we get into why services fail, how water infrastructure works and how it’s purified, and why a little chlorine won’t kill you.

Also: Stories of Alexandra Township’s rat problem have been a staple of community media and The Daily Sun for years.  We went to see the animals, check out the extent of the infestation and get a biological perspective on why we can’t control them.

Listen to the full podcast here