Life Beyond Earth, Part 4: Penelope Boston

Speleologist Penelope Boston studies bizarre life-forms in the deepest crevices of our home planet to understand what life might look like in harsh, extraterrestrial environments.

The National Geographic Live series brings thought-provoking presentations by today’s leading explorers, scientists, photographers, and performing artists right to you. Each presentation is filmed in front of a live audience at National Geographic headquarters in Washington, D.C. New clips air every Monday.

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