cavern

"Instead of a big, sheer pristine box of ice, you can see caverns under the edges," Prof Meijers says.

If we were to squeeze through small cracks in his mind’s cavern walls or crawl down its miniaturized hallways toward Erickson's nerve center, we might find ourselves in a room with a broken printer.

Galvanized by sound in yawning subterranean caverns, she made her calling “deep listening” as a way to overcome the world’s ever-increasing surface noise.

He soon grew to love the cavern system, which dates back 350 million years, and by the age of seven he had explored it more than 100 times.

For the typically still-water environment, the waves disrupted the shallow shelf that the pupfish use as a spawning area, likely knocking eggs deep into the cavern.