Earth Science
Featured Articles
Understanding why ice sheets have been advancing and retreating for millennia
By: Ozark Tsunami
The advance and retreat of ice sheets has been occurring for millennia. Ice sheets grow when snow accumulates faster than it melts. As the snowfall accumulates, its weight presses down on earlier snows and compacts this into glacial ice. An ice sheet is an accumulation...
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New magma rising underneath Mount St. Helens
By: John Atchison
Not many people want to consider the end of the world. While there are scientists and prophets of doom who believe the end is near, the majority of people on the Earth think what is going on is just the natural order of things. No...
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Study suggests Antarctic climate once resembled California coastal area
By: A.W. Berry
Swimming in the Antarctic Ocean or sitting on the polar water front with only a t-shirt on was possible around 50 million years ago; this was a period of time in Earth's history known as the Eocene. The Antarctic real estate has since become far...
Book reviews: Earth in the Balance, by Al Gore
By: Krystle Hernandez
Before the terms "eco-friendly" and "Green Revolution" swept through the United States, U.S. Senator Al Gore was working hard to bring attention to what he believed was an imminent environmental crisis that would impact civilizations worldwide. In 1992, just before he was elected as...
Rainiest places in the world
By: Effie Moore Salem
The rainiest places on earth are Cherrapunji, India, Bosnia/Herzegovina, Australia, Colombia, the Cameroon Mountain area of Africa and Kauai, Hawaii. Interestingly, there is a difference between the rainiest places and the wettest places on earth. One would think that the water falling down would soak...
The greenhouse effect
By: Rex Trulove
It seems like every day, there is something regarding greenhouse gases and the greenhouse effect mentioned in the news. However, many people are a bit confused when it comes to the greenhouse effect and what it is.The simple fact is that without the greenhouse...
Lake effect snow
By: Thomas Reeves
Lake effect snow is a unique meteorological event occurring most commonly in areas south and east of the Great Lakes in the northern United States. Many travelers unfamiliar with the phenomenon are caught off guard when driving through these areas during a lake snow event...
What are champagne diamonds and where do they come from
By: Erika Frensley
What do you do when the majority of diamonds that you find in your mine are large, clear, and brown? You use the best and most beautiful of them as high quality gemstones, and sell them as champagne and cognac diamonds. These lovely diamonds are...
What are pink diamonds and what is their origin
By: Erika Frensley
Pink diamonds are among the rarest of diamonds, only produced from a few mines in the world. The majority of pink diamonds come from mines in India, but some also come from mines in South Africa, Brazil, and the Argyle mine in northwestern Australia. The...
Biodiversity: A variety of definitions
By: Perry McCarney
What is the concept behind the word "biodiversity"? Although relatively recently coined in the early 1990s from combining the words biological and diversity it is already in extensive use, not only in the halls of natural sciences academia but also in the political arena and...
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