By: Rick Bavera
Cauri shells (also spelled cowrie, cowry or kauri) are among the most beautiful and eye-catching shells to come into human attention. There are over 250 species of cauri living in warm-waters of the world. and some of them have become known as "money shell cauri"...
By: Morgan Carlson
The large bodies of the world's oceans have long held the fascination of the people who have a partnership with it. Whether for recreation or business, many of the coastal communities are well integrated with its surface value, never taking into consideration that it could...
Why are oceans salty but rivers and lakes are not?
By: Effie Moore Salem
Oceans become salty when the rivers and their tributaries and streams that flow off mountains and out of all higher to lower places pick up biological materials and small rocks and dump these into the ocean. Their salinity then develops from the washing out...
The Baltic Sea: The world's largest "dead zone"
By: Jacquie Schmall
Hypoxia describes the lack of oxygen available in lakes and other large bodies of water, both fresh and marine, preventing a vigorous, well balanced, and healthy ecology. These are known as "dead zones." A dead zone is the result of an overgrowth of algae...
Why are oceans salty but rivers and lakes are not?
By: Nayab Naseer
All water, including water in rivers and lakes contains dissolved chemicals which scientists call "salts". However, not all water tastes salty, for the content of salt vary among different water bodies. Sodium and chloride, the components of common table salt constitute a little more than...
By: Morgan Carlson
As with any answer to a question involving time; that depends. Before even considering the question it is necessary to know the fundamentals of the problem and identify why people are drinking water that is not clean and safe. After determining the problem with water...
The history of World Water Day
By: Mac Stevenson
Citizens of the United States take the liberal use of water for granted and have done so for many years. It isn't that way everywhere. With the population of the world rapidly expanding, the wise use of water on our planet becomes increasingly vital.In...
By: Shaheen Darr
Following the Kyoto protocol in 2005, Europe is among other countries of the world who have agreed to cut down on the emission of their green house gases to reduce the effects of global warming. The US still has no definite confirmation it will do...
How will donating American technology help India provide drinking water?
By: Heather Foster
While our planet is two-thirds water and one-third dry land it is estimated that nearly 90% of that water is polluted in one way or another. Bacteriologic pollution and chemical pollution both create hazards for any creature using, or living in the water. American technology...
By: Darrin A Yarbrough
Recent damages in Southeast Asia stemming from a tsunami reveal some of the powerful technologies available for water purification. USFilter, a Siemens company, is providing seven units capable of bringing 26,400 gallons of fresh water daily to areas affected by the tsunami.Providing a...

 

1 38 39 40 41 42 93