#TIL about a *third* domain of life called “Archaea” (https://en.wikipedia.org/wiki/Archaea). Mind blown! 🤯 This was thanks to this episode of the “In Our Time” #podcast: https://www.bbc.co.uk/programmes/m002sg10 PS: Misha Glenny has quite ably taken over from the legendary Melvyn Bragg as the host. 👏🏽