Jill Heinerth explains the lure of cave diving on TED Talks. Jill transformed her original desire to become an astronaut and become an underwater explorer (cave diver) instead. Jill is very passionate about exploring what she calls “inner space” and working with biologists, archaeologists and climatologists to advance our knowledge of the underground and underwater … Continue reading Cave Diver Jill Heinerth Explains Cave Diving [Video]