The earthquakes had been increasing in intensity. The expedition team had returned, breathless and secretive, bundled away to the hidden base before the press could get more than a word or two out of them.
“Well?” growled the Commander. “What’s the situation down there? Is the source in the mantle?”
“I think we can say that we have, indeed, pinpointed the source,” said the lead scientist, who’d spoken with the expedition team. He was pale. “However, ’mantle’ may not be the most accurate term to use anymore.”
“What word should we use, then?”
“I think ‘yolk’ might be more appropriate.”