#516 | Journey to the Deep: A Short History of Underwater Exploration

✨ Back To School Sale - Save 25% - https://bit.ly/BackToSchoolSept25Ends 23:59, Sunday 7th September.--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 ---You might like:⚡️ Back To School Sale - Save 25% [ends 23:59, Sunday, 7th September] 🔓 Unlock bonus episodes, interactive transcripts, subtitles & vocabulary lists⚡️  How To Use Podcasts Like A Boss To Learn English📧 Join the weekly newsletter---Keywords: Learn English, idioms, aprende inglés, idiomas, aprender inglês, apprendre l'anglais, imparare l’inglese, ingilizce öğren,英語を習う, تعلم الإنجليزية