Remember in The Lord of the Rings when Gandalf ominously declared about the greedy dwarves of the Mines of Moria, “They dug too deep.”?

Sure enough, they did.

And look at what they found:

That’s right.  The BALROG.

Now I’m not saying that the Russian scientists who bored a hole 40,000+ feet deep into the earth’s crust encountered the Balrog or even broke through to Hell, but they definitely discovered that they had drilled too deep (along with other surprising and important facts):