This month David takes Anna on a fascinating journey into the difficulties of warning humans (or whatever may come next) about the dangers of radioactive waste sites. 10,000 years in the future, permanent waste sites will still be hazardous and finding a way to communicate this has left scientists with a philosophical, semiotic, and linguistic conundrum. Join us for this surprisingly lighthearted episode to find out why you too should be afraid of color changing cats! 🙀