text: [{"text_idx": "#000000", "text": "Multiple Versions of the Same Song"}, {"text_idx": "#000001", "text": "A web of words and media."}, {"text_idx": "#000002", "text": "Tyson Explains Weather and Climate Change"}, {"text_idx": "#000004", "text": "15 Sorting Algorithms in 6 Minutes"}, {"text_idx": "#000008", "text": "For millions of years, mankind lived just like the animals. Then something happened which unleashed the power of our imagination. We learned to talk and we learned to listen."}]