How sea levels rise
By: Mishra Planeswalker
You hear it all the time on television, the radio, and in various print media. The sea levels are rising due to a man made phenomenon known as global warming. Unfortunately, the link between these two concepts is often misunderstood, if it is presented at...
How to identify bad weather clouds
By: Morgan Carlson
While there is no clear indicator for weather by the eye, it is possible to recognize an existing potential within a system, especially with clouds. Clouds - as many know through experience - are the one factor that remains consistent through any weather event. It...
An overview on time standards based on Earth's rotation
By: Chris Webber
Sunrise to sunset: the most basic of time references. Light is essential to human activity, and so for early man hunting and gathering were daytime pursuits. For very basic timekeeping, little more was required; when the sun rose it was time to eat and begin...
How to reduce human water consumption
By: Nayab Naseer
Water covers around two-third of the earth's surface. However, only around one percent of this water is accessible freshwater. The rest is either saltwater found in oceans or water trapped in glaciers. The ever-increasing population places even more pressure than before on the available sources...
A beginner's guide to rock collecting
By: Alysa Dudley
Rock collecting is a wonderful hobby. It is interesting, educational, and a great way to spend time outdoors. In addition, families can enjoy rock collecting trips together. It doesn't take hundreds of dollars to start rock collecting. The beginner can start with two tools, a...
How ocean oxygen loss affects ecosystems
By: Nayab Naseer
Thanks to global warming and increased dumping of pollutants in the world's oceans, nearly two percent of the world's ocean is today oxygen depleted "dead zones". This is excluding areas where the quantum of oxygen is far less than what it ideally should be.The...
Ocean oxygen depletion: How and why
By: Nayab Naseer
Oxygen, indispensable to sustain life in this planet, is present in abundance in the earth's atmosphere, and dissolves in water to sustain marine ecosystems as well.However, of late the oceans of the world show an alarming depletion of oxygen content, compared to previous years...
A beginner's guide to rock collecting
By: Heinz Sladek
Rock collecting can be one of the most fun and interesting activities that can be done with a family, with children, or simply alone. For one thing, there are rocks everywhere. The key to collecting rocks, especially for the beginner, is to collect rocks that...
The case for respecting the Earth
By: Laurie Childree
The Earth provides for us with food, water and even natural shelters. What do we do for it? We take from it without thinking of the consequences and give it back our trash. Instead of taking it for granted and assuming it will always be...
What makes snow look white?
By: Nayab Naseer
Light, be it from the sun or from the light bulb is a combination of the different colors in the rainbow, colors that can be broken down in order of their wavelengths. When all colors combine in equal proportion, with no color range dominating, the...

 

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