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Visiting Explorer Program with Natalie Gibb

Exploring the Bacterial Caves of Mexico

In 2015, underwater cave explorer Natalie L Gibb and her exploration partner Vincent Rouquette-Cathala dropped into coastal cave and found something totally unexpected. While most flooded caves in Mexico are filled with stone stalactites and stalagmites, the decorations in this cave appeared soft. They moved. The cave, which they named Pandora, is filled with a hydrogen sulfide-producing bacteria. The bacteria coats every surface of the Pandora, and grows into long, stalactite-like formations, sometimes meters long, which sway and drift with the smallest water movement. The unique environment of Pandora creates many challenges for exploration and scientific endeavors.

Natalie L Gibb graduated from the University of San Francisco with a B.S. in Biochemistry. Along with her business partner, Vincent Rouquette-Cathala, she owns Under the Jungle, a technical and cave diver training center in Mexico's Riviera Maya. She is a TDI Full Cave Instructor and an Official Razor Side Mount Instructor. Natalie has been an active cave explorer since 2009, and has explored over twenty cave systems in Mexico; charting over forty kilometers of passageways. She is an amateur videographer and a published author, working as's Guide to Scuba Diving from 2009-2016.

Date: Tuesday, January 9

Time: 6:30 pm

Location: Explorers Club Headquarters, 46 E 70th Street, New York, NY, 10021

Member Ticket Price: $10

Guest Ticket Price: $15

Reservation Notes:

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Background image photography courtesy of members Christoph Baumer, Neil Laughton, Matt Harris and Don Walsh's image of the Bathyscape Trieste