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Discover the untold stories behind three iconic inventions that have shaped our lives in unexpected ways. Explore the unsung heroes behind crash test dummies, revealing how they’ve tirelessly safeguarded our lives and transformed the automotive industry to ensure our safety on the road. Delve into the remarkable journey of condoms, from their humble beginnings to modern-day perfection, revolutionizing love lives and overcoming obstacles along the way to become an indispensable tool in sexual health worldwide. Embark on a historical journey through the evolution of sanitation systems, from ancient sewer systems to cutting-edge Japanese toilets, uncovering how these innovations have revolutionized public health and hygiene. Watch our most popular documentaries ⬇️ -- Welcome to the official youtube channel! 🌍 We are a documentary streaming channel covering history, science, technology, and nature. Explore worlds distant
