Jill Heinerth is a professional cave diver who faces threats big and small constantly – from dangerous technical dives deep inside underwater caves, to searching for never-before-seen ecosystems inside Antarctic icebergs. Jill recounts her incredible experiences in maneuvering through challenging times and shares tips on how to face what scares you – and dive into your own rich, rewarding adventures. For the full text transcript, visit go.ted.com/BHTranscripts