By: Paulette Redemske
As science digs for answers to the history of this planet, the earth in its own time is giving up some clues as to the why and how these events that wiped out species which inhabited the earth took place. Fossil records are difficult to...
Forest Thinning is Essential for Keeping Forests Healthy and People Safe
By: Kim Sharpe
Only through the thinning of the old snags, sickly tree's, undergrowth, and tree's which have fallen through storms can we keep a forest healthy and keep people who live in and around such area's free from Mother Natures cleaning process which is forest fire. If...
By: Tina Lehman
There may be as many as 30 million species in existence, most of which have not even been described. Extinction rates now are higher than ever, and some scientists estimate that we are losing one species per hour. The more species we lose, the less...
By: Perry McCarney
A look at the abiotic and biotic dynamics of a beech forest ecosystem in Arthur's Pass National Park, located in the South Island of New Zealand. The Arthur's Pass National Park extends across the Southern Alps of the South Island of New Zealand, from Canterbury...
By: Sarah Dohl
During the last half of the twentieth century, the biological sciences of genetic engineering and biotechnology have evolved into what the March 10, 1997 issue of Business Week called the definitive scientific progress of the 21st century. But, as the technologies develop, there are those...
By: Tasha Raymond
Reptiles are one of the few animal groups that can produce in many ways. The most common way is egg laying. The difference lies in the species of reptile. While reptiles are now becoming increasingly popular as pets, more hobbyists are thinking about breeding their...
Forest Thinning is Essential for Keeping Forests Healthy and People Safe
By: Josephine Polifroni
Deliberate thinning of forests is not necessary for forest health. Forests have their own mechanisms for growth and development that would be extremely difficult and expensive for people to replicate. The supposed necessity of forest thinning is an excuse to justify allowing logging companies to...
By: Rex Trulove
The ways that reptiles reproduce can be keys to species recognition, since there are some interesting variations that are worth looking at in more detail.All reptiles reproduce sexually, as do every other member of the vertebrates. However, there are often courtship behaviors and rituals...
By: Maurice Sassoon
Planet Earth had definitely changed with the evolution of animals. Let us begin with a four-legged animal that existed millions of years ago. It was the size of a fox with four toes on each front foot and three toes on each hind foot. It...
By: Barry Marcus
South Africa is currently facing a two-pronged energy crisis a shortage of electricity and oil at over $100 a barrel. The sun produces enough energy to provide for almost all of the power requirements of the world if this free energy can be harnessed. South...

 

1 21 22 23 24 25 113