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"Shark Girl" Madison Stewart
For 20-year-old Australian Madison Stewart, nothing feels safer than diving straight into shark-infested waters, something she's been doing since she was 12. Now, she has made it her life's mission to protect the predators as family, raise awareness about their importance to the ocean's ecosystem and stop the fishing and illegal finning that endangers them.
Why do we all need to talk more about sharks, and what do we not know about the predators?
The subject of a June documentary on the Smithsonian Channel titled "Shark Girl," Stewart will join us at 9 a.m. ET on Friday for live Q&A about the animals on the NBC News Facebook page. Ask your questions right on Facebook and be sure to tag them with the hashtag #SharkWatch.
NBC News dives in this week with an in-depth look at sharks and their relationship with humans. Look for full #SharkWatch coverage on TODAY, Nightly News and NBCNews.com.