⚡️⚡️⚡️  Black Friday Sale ⚡️⚡️⚡️

Secret link: bit.ly/ELFCMBlackFriday24

💰  Save up to 67% vs. monthly cost
⏳  Limited availability
⏱  Ends 23:59 , Sunday, December 1st

***

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:

🖤 Black Friday Sale

📹 A look inside Leonardo English membership

⚡️  How To Use Podcasts Like A Boss To Learn English

📧 Join the weekly newsletter

✍️ Free English Grammar Checker

---

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