Arguments for Travel to Mars
By: Wes Kelly
To a Desolate Shore While flight to Mars and possible settlement present dangers for individual men and women, the prospect of all humankind simply remaining on Earth presents a danger as well, a danger of eventual physical and spiritual extinction. Mars might appear now as...
By: Tim Harry
There is often some dispute about which of Scotland’s glens is actually the longest. A glen is normally described as a U-shaped valley, a long, deep valley that often has or had a river running along its length. The front runner for the title...
The basic concepts and fundamentals of geography
By: Jeremy Ford
The word geography literally means “to study the earth” and this is exactly what it entails-collecting and analyzing data pertaining to the essential workings of the earth and using this data to produce ideas and philosophies related to these workings. It covers a broad...
How a compass works
By: D. Vogt
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 displace traditional compasses, the compass...
Is Space Travel to the Planet Mars too Dangerous
By: Tim White - 240468
I don`t like to come away seeming pessimistic about a manned Mars mission, but I don`t think we`re ready for it in so many ways. What many of us are afraid of is that Mars in general after this will become blaise, just like The...
By: Rex Trulove
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 is often best to explain...
Where the universe comes from according to science?
By: Anthony Megna
There are many theories as to the beginning of the universe, but as of yet no agreed upon answer. The problem is a classic catch-22. Cosmologists can agree that the big bang started everything off, but what about before the big bang? Do you see...
An introduction to alluvial gemstone mining
By: Allan Taylor
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 for various reasons, but the...
How to use a compass
By: Chris Pine
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 around. When you aren&rsquo...
By: Lian Slayford-Wei
Seasonal Chemical Composition of Saltbush in Semiarid Grasslands of Jordan In Jordan, Saltbrush (Atriplex spp.) are considered to be a viable solution to the country’s feed shortages when it suffers from drought or experiences dormant seasons. As the gain maturity, most forages will...

 

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