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Mysterious Life of Caves: Toxic caverns teeming with strange life-forms spark a radical new theory of how caves take shape.
Interview and personal essay

The Lives of
Extremophiles

The Lives of Extremophiles An interview with microbiologist Diana Northup on bacteria that live where nothing else can.

Journey into
Lechuguilla

Journey into Lechuguilla Journalist Michael Ray Taylor on caving 1,200 feet down inside Lechuguilla.


Slide show and interactive

Jewel of the
Underground

Jewel of the Underground Explore Lechuguilla, one of the most strikingly decorated caves in the Americas.

How Caves Form
How Caves Form Watch as rainwater, waves, lava, and bacteria create four different types of caves.


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