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Diving Deep Into the World of Saturation Diving
science.howstuffworks.com/science-vs-myth/everyday-myths/question640.htm
Saturation diving hinges on the idea that the dissolved gases in our blood and body tissues match those in our lungs. This deep-sea exploration method allows divers to work at extreme depths without constantly surfacing. Learn how it works.
Anyone With the Most Basic Geographic Knowledge Should Get 19/26 on This Quiz
Mountains, rivers, country borders ... How well do you know the globe? This quiz will test your knowledge of basic world geography - start scrolling and see if you can get your bearings!
10 Countries With Perfect Climates
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A perfect climate means different things to different people. These 10 countries span the globe and offer a wide range of climates to satisfy any taste -- hot, cold or in-between.
How Floating Cities Will Work
science.howstuffworks.com/engineering/structural/floating-city.htm
Floating cities could potentially house over 50,000 permanent residents in the sky! Learn about floating cities in this article.
The World's Largest Waterfall Is Deep Underwater
The Denmark Strait cataract dwarfs every other waterfall in the world, but you can't see it because it's deep under the Atlantic Ocean.
Can You Get More Than 11 Right on This Difficult American Geography Quiz?
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You won't only need to know the longest river in America, but you might need to know exactly how many U.S. states it touches. Yes! This American geography test is that deep. Now is your time to prove you are up to the challenge!
What is gravity?
science.howstuffworks.com/environmental/earth/geophysics/what-is-gravity.htm
What is gravity? How does gravity affect virtually everything on Earth? Learn about gravity in this article from HowStuffWorks.
How Barrier Islands Work
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Barrier islands are vacation spots and amazing ecosystems. Learn about barrier island habitats, fighting erosion of barrier islands and development's effects on barrier islands.
The Ring of Fire Is the Pacific's Volcanic Hotspot
science.howstuffworks.com/environmental/earth/geology/ring-of-fire.htm
Explore the Pacific Ring of Fire, a 24,900-mile zone with 75% of Earth's volcanoes and 90% of its earthquakes, shaped by dynamic tectonic activity.
Is Greenland Part of North America? Geologically, Yes
people.howstuffworks.com/is-greenland-part-of-north-america.htm
Greenland is one of the most unique places on Earth, and it often sparks a big geographical question: Is Greenland part of North America?