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All Salt Is Not the Same
science.howstuffworks.com/innovation/edible-innovations/all-salt-is-not-same.htm
Salt is something most of us use without thinking about it. But with so many options available, how do we know what's best?
How the Deep Underground Neutrino Experiment Will Work
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The Deep Underground Neutrino Experiment will shoot a powerful beam of neutrinos through Earth's mantle. Learn more about DUNE at HowStuffWorks.
The Best Turquoise Is More Valuable Than Diamonds
science.howstuffworks.com/environmental/earth/geology/turquoise.htm
Cultures all over the world have treasured turquoise for its color and rarity for thousands of years - from Native American jewelry and Aztec and Mesoamerican art to King Tutankhamun's death mask.
The North American Geography Quiz
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North America encompasses huge expanses of water and land. What do you know about this area's people, geology and climate? Take this quiz to find out.
Test Your Knowledge of the Industrial Revolution
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Test your knowledge of what went down during the age of expanding landscapes, incredible innovation and the ultimate shift in life as people knew it.
Mexico's Giant Crystal Cave Is Beautiful But Deadly
science.howstuffworks.com/environmental/earth/geology/mexico-giant-crystal-cave.htm
Massive gypsum crystals were discovered beneath Mexico's Sierra de Naica Mountain in very inhospitable environs - to humans anyway.
Platinum: What's So Special About the Shiny Metal?
science.howstuffworks.com/environmental/earth/geology/platinum.htm
This white-hot metal not only makes beautiful jewelry, it's coveted for industrial, medical and military purposes too.
Hematite, a Shape-shifting Mineral From the Stone Age
science.howstuffworks.com/environmental/earth/geology/hematite.htm
You can find hematite found all over Earth, as well as Mars. The bloodstone the main source of iron and is also used in jewelry and painting.
Who Really Struck It Rich During the California Gold Rush?
history.howstuffworks.com/american-history/gold-rush.htm
When you think of the California Gold Rush, you probably think a lot of people made millions off that gold, right? Some did, but it wasn't from panning for it.
Build a Hydrogen Fuel Cell in Your Kitchen
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Build a hydrogen fuel cell in your kitchen. Learn more about how to build a hydrogen fuel cell in your kitchen.