Is Space Travel to the Planet Mars too Dangerous
By: T. Scott Randolph
Is it dangerous to attempt a manned mission to Mars? Of course it is. All exploration is dangerous. Anytime mankind has pushed the boundaries, people have had to pay a price. Even with all the dangers out in the open, the list of humans that...
By: Elizabeth M Young
How do we get from a "tropical depression" to a "hurricane" and back? We think mostly in terms of watches and warnings and wind speeds, but the process is more involved. It all begins with a tropical storm, which may or may not develop into...
Energy-saving tips
By: Peter Flom
There are many simple ways to save energy; some involve very little time or effort, some involve more time or effort, but may have bigger savings as well. Here are a quick 25. 1. Turn off light bulbs when not in use - savings =...
By: Morgan Carlson
When fighting fires there are many different techniques for each variety, from house fire, to grass fire, to forest fire, yet what doesn't change are the essentials. These essentials range from the behavior of fire itself, the way it moves, and how best to undermine...
By: Ronnie Reese
Earth: The first frontier - And still we don't know all there is to know What do you think of when you read the words: "In the beginning God created the heaven and the earth. And the earth was without form, and void;" Does...
Biodiversity: A variety of definitions
By: Erica Jobman
An iridescent school of fish gliding through a coral reef; a flock of birds navigating by the moonlight's gleam; a horde of monkeys chattering from the safety of treetops; tiny yellow flowers beckoning to passing insects. These are just a few of nature's glories the...
By: Wendy R.
Igneous rocks are rocks formed from volcanic eruptions that have cooled. There are many types of igneous rocks, the most commonly known being pumice, basalt, and granite. There are two types of igneous rock. Intrusive rock is rock which solidifies underneath earth's surface. Granite is...
By: Margaret Gaines
The name the Southern Ocean is a somewhat controversial name that is not universally recognized for the body of water that encircles Antarctica. Unlike the other oceans, the boundary of the Southern Ocean is defined by currents rather than land masses. Its northern boundary fluctuates...
By: Darian Peters
The Southern Oscillation is a weather pattern found in the tropical Pacific Ocean. It goes through two phases. One of these is a warm phase and is known as El Nino, which is Spanish for the little boy. The other is a cold phase known...
Austria: Flood of June 2009
By: Ethel Smith
June 2009 saw news coverage of severe flooding in Austria. Another summer and another country experiencing unseasonable weather. Having had personal experience of flooding, in the UK in June 2007, I found myself drawn to this news. In a mere 72 hours, what would...

 

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