The TransCanada Keystone XL Pipeline Proposal
The Keystone XL pipeline has already become a hot topic. President Obama has nixed the project for now. Facts are hard to find in the haystack of details.
Jan 21, 2012
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Harvey Craft
Rumors About Oil Reserves Don't Help the Energy Problem
As the U.S. dependence on foreign oil increases, rumors spread that massive, secret oil deposits exist. Good information is not easily found in the numbers.
Oct 21, 2011
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Harvey Craft
What Are Stalactites?
Stalactites hang like ghostly icicles from the ceilings of caves. What are stalactites and how do they form?
Oct 5, 2011
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Melody Rhodes
Find and Keep Diamonds at Arkansas Crater of Diamonds
There is only one place in the world where you can officially look for diamonds and keep what you find. That's the Crater of Diamonds in Arkansas.
Aug 20, 2011
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Rosemary E. Bachelor
Characterization and Origins of Diverse Mineral Colours :
The beautiful colours of minerals have been valued in all societies. A comprehensive review of the colour phenomena in minerals is presented.
Jul 4, 2011
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Benu Chatterjee
topic editor
Alexandra Matiella Novak - With a PhD in Geology and expertise in science education, Alexandra is passionate about increasing the public's Earth science ...