M me Active member Sep 30, 2025 #1 It had to be caves Hazel Barton provides the science https://www.bbc.co.uk/sounds/play/m002jtv9
TheBitterEnd Well-known member Oct 1, 2025 #4 In the final episode she seemed a bit dissatisfied with undiscovered caves and went to lakes under the Antarctic ice
In the final episode she seemed a bit dissatisfied with undiscovered caves and went to lakes under the Antarctic ice
M mikem Well-known member Oct 2, 2025 #5 Which are basically the same thing, just under different substrates (they seemed to be dissatisfied with only finding one place rather than where that was)
Which are basically the same thing, just under different substrates (they seemed to be dissatisfied with only finding one place rather than where that was)
Hazel Barton provides the science 
I think it is referring to all the caves yet to be discovered 
