By: Diamond Channing
There are numerous kinds of inclusions that can be found in colored gems. Some inclusions are always found in certain gems and other inclusions are never found in others. This can help with identifying a gem. The next described flaws are some of the more...
By: Susan Klatz Beal
There is no getting around the summer weather. When it is hot, it can be abysmally hot, but when it's not so hot, people love to congregate outdoors. Regardless of how hot it is outside, or how miserable you think you may feel, it is...
How planet Earth was formed
By: Slawomir Puk
This has been puzzling scientists for many years and has still not been satisfactorily answered even with all our advance technologies we currently have. Many different ideas have been suggested, ranging from the hand of God to the ‘Big Bang Theory’. ‘Big Bang&rsquo...
Geocentric model of the universe versus heliocentric model of the universe
By: D. Vogt
The geocentric and heliocentric mdoels of the universe are historical methods of understanding the universe by assuming, respectively, that the Earth is at the centre of the known universe (geocentrism), and that the Sun is at the centre of the universe (heliocentrism), with all other...
Major causes of water pollution
By: Slawomir Puk
Perhaps it is worth remembering the historic voyages of Thor Heyerdahl in his reed boat, known as the Ra expeditions. Thor Heyerdahl had more of a chance to take a closer look at the Atlantic Ocean while he was sailing in his fragile craft than...
Weight and the center of the earth
By: Slawomir Puk
While we know a good deal about the composition and structure of the interior of the planet it is much more difficult to understand how we can gain such knowledge. In earthquakes we see what happens to the waves from them, these waves may be...
How tides are caused
By: Slawomir Puk
If you live by the sea or you have spend a holiday at the seaside, or even if you have spend some time by the mouth of a river, you will know that at certain times of the day the waters rise and fall. These...
How the hydrological cycle works
By: Slawomir Puk
Rain plays a important part and is one of the stages that helps the Earth to keep its youthful face. This is called the Hydrologic cycle. The water, or water vapour as it is more scientifically called, gets into the air by evaporation. Plants also...
By: Colette Georgii
The Northwestern Hawaiian Islands (NWHI) located in the Pacific Oceania represent the oldest part of the Hawaiian Island chain but are located 1200 miles northwest of the main Hawaiian Islands. The Northwestern Hawaiian Islands comprise a vibrant and diverse ecosystem of * coral reefs* islands*...
By: Lynette Alice
The weather is one of the most misunderstood areas of natural phenomena that we as humans actually think we understand. Maybe that is why it has come up with some really cool and unique ways to kill you that almost nobody ever stops to think...

 

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