NG Live!: Andrea Marshall: Queen of the Manta Rays

Mysteries surrounding these ocean giants are finally being solved, thanks to the unique research of 2013 National Geographic Emerging Explorer Andrea Marshall.

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