On: A cave in Romania that was sealed for 5.5M years

[ghshephard]

There are almost certainly thousands, if not tens of thousands, or hundreds of thousands of undiscovered caves exactly like this around the globe. And even that is probably a wild underestimate. The world is a very, very big place, and humans, despite all our activity, have barely scratched the surface of most of it.

[hyperpallium → ghshephard]

endoplanets

[bglazer → hyperpallium]

I really like this word! Did you coin it just now?

[hyperpallium → bglazer]

Thanks! To my knowledge, yes; I haven't googled.

[j_koreth → bglazer]

Microcosms

[bjblazkowicz → ghshephard]

See you in Lake Vostok

[frostymarvelous → ghshephard]

That lends credence to Journey to the Center of the earth.

Maybe we still have dinosaurs lurking somewhere? Jurassic Park anybody?