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How Watersheds Work
science.howstuffworks.com/environmental/conservation/issues/watershed.htm
You're probably standing in one right now, but do you know what a watershed is and how watersheds work? Learn how watersheds work here.
Is Dowsing Real, or Just a Bunch of Hocus-Pocus?
science.howstuffworks.com/science-vs-myth/unexplained-phenomena/water-dowsing.htm
When it comes to water witches we're faced with two distinct possibilities. One, they're either really good, at pulling a fast one on desperate landowners looking for groundwater. Or, two, they actually know what they're doing.
How Supervolcanoes Work
science.howstuffworks.com/nature/natural-disasters/supervolcanoes.htm
Only a few natural events pack the power to knock global civilization on its heels. One is a planet-killing meteor. Care to guess the other?
How did the supercontinent Pangaea become seven separate continents?
history.howstuffworks.com/world-history/pangaea-supercontinent.htm
The idea of Pangaea comes from Alfred Wegener's hypothesis that the seven continents were once joined as a supercontinent. Learn more about Pangaea.
Earthquakes on the Mississippi: The New Madrid Seismic Zone
Will a town in southern Missouri be the epicenter of the next 'big one'?
Ridiculous History: The Time We Erased One of the World's Biggest Waterfalls
history.howstuffworks.com/historical-events/ridiculous-history-guaira-falls.htm
Guairá Falls between Paraguay and Brazil was one of the world's most awe-inspiring, but was erased by Itaipu Dam. Read this HowStuffWorks Now article.
Not Just Rocks: The Geology Quiz
play.howstuffworks.com/quiz/geology-quiz
Geologists study the processes and substances that form Earth. Most of those processes happen over millions of years, but this quiz only takes a few minutes! Find out how rock solid your knowledge of geology is.
What Are the 7 Largest Countries in the World by Area?
science.howstuffworks.com/environmental/earth/geophysics/largest-countries-in-world-by-area.htm
The seven largest countries in the world account for nearly half of the world's land area, but one is far larger than the rest. Do you know what the largest country is?
How did dinosaurs leave tracks in solid stone?
science.howstuffworks.com/environmental/earth/geology/stone-dinosaur-track.htm
How did dinosaurs leave tracks in solid stone? They walked in soil that became sedimentary rock. Learn how did dinosaurs leave tracks in solid stone?
What Caused the Mysterious Carolina Bays?
science.howstuffworks.com/environmental/earth/geophysics/carolina-bays.htm
Some say UFOs, while others say a meteor strike formed the Carolina Bays. Whatever created these isolated ponds and wetlands across North and South Carolina left a wondrous ecosystem that is in dire need of protection.