What is volcanic ash
By: Hai Shunxi
When they hear the phrase “volcanic ash,” many people take it for granted that the stuff is something like the ashes left behind by a campfire or in a fireplace. Volcanic ash isn’t the leftovers of a fire, though, it’s something...
By: Janet Grischy
The rarest gems are not always the most beautiful or impressive. However, they may be the most expensive, since rarity often drives up price. These are some of the rarest gemstones in the world. Benitioite Intensely blue Benitoite is the state gem of California. It...
By: Bruce Tyson
Volcanic eruptions become a danger to aviation because of the way ash clouds make it difficult for pilots to see. Volcanic ash, small pieces of volcanic rock, when it is sucked into jet engines can cause serious damage up to and including failure. Airplanes flying...
Understanding blood diamonds and the Kimberley Process
By: Summer Steward
Diamonds are beauty, true love, romance, accomplishment, honor, laughter, sexy, and of course... Forever. Hubbies to be think about forever as they are out shopping for a perfect jewel to symbolize a union you want God and all his followers to see, to recognize, to...
By: John Atchison
So you think that you have seen just about everything in your time haven’t you? Well what if we told you that last night over the skies of none other than America’s dairyland Wisconsin, a fireball lit up the evening sky. Yes it...
By: Janet Grischy
It is always winter in Antarctica, even when the sun shines at midnight. It’s far from the sunny tropics, and its winter months hold long dark nights. It is also a high plateau, and temperatures fall as elevations rise. This keeps it colder than...
By: Rex Trulove
Volcanoes occur all over the world. They can destroy entire cities, shape the land, and even erupt under the oceans. In fact, somewhere in the world, on average, 11-17 volcanoes are erupting, many of then under the surface of the ocean. An interesting question to...
By: Jeff Parsons
The greenhouse effect is a natural phenomenon that allows life to survive on Earth. The effect is maintained by greenhouse gases within the atmosphere. The concentration of these gases regulates the temperature of the planet. Lately, the unusual increase of global warming has led many...
By: Bonita Early
Living in California we are often warned about the “The Big One”- when an earthquake causes the state to drop into Pacific. Before you panic, that is an old myth. California cannot drop into the ocean. A separation from the rest of the...
By: Shelly Barclay
Iceland and its volcanoes have been in the news a lot lately. The Eyjafjallajokull volcano in Iceland has been very active in March and April of 2010. The ash spewing forth from this volcano has resulted in the grounding of flights as far away as...

 

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