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Serpent Mound, Ohio: Inside the Archaeological Mystery
science.howstuffworks.com/environmental/earth/archaeology/ohio-serpent-mound.htm
The curves of the Serpent Mound, Ohio state's massive and mysterious geological wonder, line up with the sun during equinoxes and solstices.
How Pangaea Became 7 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.
How the Ice Age Worked
history.howstuffworks.com/historical-events/ice-age.htm
An ice age is a period of cooling, marked by the presence of glaciers and ice sheets. Learn how an ice age works and if we're in an ice age right now.
Who Owns the Rights to a Dinosaur Skeleton?
animals.howstuffworks.com/dinosaurs/who-owns-rights-to-dinosaur-skeleton.htm
Who owns the rights to irreplaceable fossils? HowStuffWorks looks at the controversy.
What Causes the Tectonic Plates to Move?
science.howstuffworks.com/environmental/earth/geology/plate-tectonics.htm
Discover the origins of the continental drift theory and how scientists explain these geologic phenomena.
How Sand Dunes Work
science.howstuffworks.com/environmental/earth/geology/sand-dune.htm
Sand dunes are more intriguing than you might think. For one, some sand dunes sing. What other interesting facts can you learn about sand dunes?
How Many Continents Are There? Depends Whom You Ask
history.howstuffworks.com/world-history/continents.htm
It may surprise you to know that experts around the world disagree on how many continents are out there. Here's why.
How Sandbags Work
science.howstuffworks.com/nature/natural-disasters/sandbag.htm
There may be a time when all that stands between your home and the rising floodwaters are some sacks full of sand. Will this defense keep you safe?
How Geysers Work
science.howstuffworks.com/environmental/earth/geophysics/geyser.htm
Geysers are explained in this article. Learn about geysers.
How the Mars Rovers Work
science.howstuffworks.com/mars-rover.htm
Of course we want to go to Mars. Until we figure it out though, roving robots with names like Spirit, Opportunity, Sojourner and Curiosity are our best bet for digging up dirt on our nearest planetary neighbor. Want to go along for the ride?