From ancient diving bells to the groundbreaking descent of the Mariana Trench, in this episode, we'll uncover tales of bravery, innovation, and the pursuit of knowledge beneath the waves.
- Ancient history of exploring the ocean's depths
- Aristotle's theoretical diving concept in the 4th Century BC
- Early diving bell inventions and Alexander the Great myth
- Magellan's attempt to measure ocean depth in 1521
- The invention of the first submarine by Cornelis Drebbel
- David Bushnell's "Turtle" and its military attempts
- HMS Challenger's oceanographic expedition reveals deep-sea life
- Discovery of the Mariana Trench's Challenger Deep
- First manned descent into Mariana Trench in 1960
- Current understanding and mystery of Earth's deep oceans
Full interactive transcript, subtitles and key vocabulary available on the website:
https://www.leonardoenglish.com/podcasts/underwater-exploration
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Keywords: Learn English, vocabulary, lessons, idioms, aprende inglés, idiomas, aprender inglês, apprendre l'anglais, imparare l’inglese, ingilizce öğren,英語を習う, تعلم الإنجليزية