From learning English symbols to teaming up to trick their prey, dolphin intelligence continues to surprise researchers. National Geographic photographer Brian Skerry catches the dolphins' remarkable behavior in action. ➡ Subscribe: http://bit.ly/NatGeoSubscribe ➡ Get More Nat Geo Live: http://bit.ly/MoreNatGeoLive About Nat Geo Live (National Geographic Live): Thought-provoking presentations by today's leading explorers, scientists, and photographers. Get More National Geographic: Official Site: http://bit.ly/NatGeoOfficialSite Facebook: http://bit.ly/FBNatGeo Twitter: http://bit.ly/NatGeoTwitter Instagram: http://bit.ly/NatGeoInsta About National Geographic: National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible. Upcoming Events at National Geographic Live! http://events.nationalgeographic.com/events/ 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. Dolphins: Even Smarter Than You Thought | Nat Geo Live https://youtu.be/XZ4hZx6K85Y National Geographic https://www.youtube.com/natgeo