February 25, 2014 Earth Science
Metamorphic rocks are all created by the forces of pressure and heat. Generally they are working together altering the chemical composition of rocks. Despite the same forces at work not every rock ends up with the same texture. Instead metamorphic…
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February 25, 2014 Social Science
The Anthropological Perspective: What Makes It Unique? The concept of culture is anthropology’s key concept. Besides the culture concept, however, anthropology also has various other distinctive ways of thinking about the world or about human cultures and societies. Of course…
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February 25, 2014 Earth Science
Many people wonder what causes lakes to shrink and eventually disappear. This process, called succession, is natural and it occurs in all lakes. Thankfully, the basics of how and why this occurs isn’t difficult to explain. To understand succession, it…
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February 25, 2014 Medical Science
One in eight women will be diagnosed with breast cancer in their lifetime according to the National Library of Medicine. Though the risk of developing tumors in the breast is associated with hormone or radiation exposure, alcohol use and other…
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There are two known populations of gray, or grey whale. One small population is in the Western Pacific, of which there is not much available information. A much larger one of about 22,000 individuals in the Eastern Pacific is much…
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February 25, 2014 Earth Science
The invention of the compass was arguably one of the most important milestones in the modern history of exploration and navigation – allowing unprecedentedly simple navigation, in ways that are still used today. Although low-cost GPS devices are beginning to…
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The great hammerhead shark is the largest species of hammerhead sharks. Known scientifically as Sphyrna mokarran, it is one of nine kinds of sharks that all share the distinctly shaped head that sets them apart from other sharks and gives…
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February 24, 2014 Earth Science
Fossicking for gemstones is an interesting and popular hobby today, as is the cutting and polishing of any rough gemstones that you might find. Alluvial gemstone prospecting and mining can be done by the individual or by a mining company …
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February 24, 2014 Earth Science
The tundra biome is characterized by extremely low temperatures throughout most of the year, along with a short summer season, during which plants and animals reproduce. The tundra biome cannot support many plants. The majority of flora consists of low…
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February 24, 2014 Earth Science
When you are taking a hike, it is good to know where you are headed. Even if you are just walking, biking, or traveling by car, a compass can be an invaluable tool when there aren’t any signs or maps…
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