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 depthsAristotle's theoretical diving concept in the 4th Century BCEarly diving bell inventions and Alexander the Great mythMagellan's attempt to measure ocean depth in 1521The invention of the first submarine by Cornelis DrebbelDavid Bushnell's "Turtle" and its military attemptsHMS Challenger's oceanographic expedition reveals deep-sea lifeDiscovery of the Mariana Trench's Challenger DeepFirst manned descent into Mariana Trench in 1960Current 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