What do red cabbage and wastewater treatment have in common? How can the inner surface of 1 teaspoon of powdered activated carbon be as large as several football fields, and why bother about football fields in our wastewater treatment plants? How to make the DNA from the inside of your mouth visible, and how does that fit to SARS-CoV-2 surveillance in wastewater?

How awesome to see that kids are natural born scientists – so curious and eager to figure it all out by joining us for two hands-on workshops at the Vienna Science Festival last week.