In the past years it has become clear that some environmental chemicals can cause risks to the developing embryo and fetus. Evaluating the developmental toxicity of environmental chemicals is now a prominent public health concern. The suspected association between TCE and congenital cardiac mal...

April Fools Day Traditionally April fools day has been celebrated by millions through out the world as just a simple joke or a practical prank that have been practice by young and old alike, there is no age barrier. When questions are asked what is April fools day? Where did it come from, and how...

Originator: Copywork Staff Science: Creation vs. evolution 2000-07-04 Ever since the publication of Charles Darwin's The Origin of Species was published, there has been an ongoing debate between science and religion. Scientists have formulated many theories as to the origins of man and to the cre...

Ever since the publication of Charles Darwin's The Origin of Species was published, there has been an ongoing debate between science and religion. Scientists have formulated many theories as to the origins of man and to the creation of the earth, whereas religious groups have one main creation the...

INTRODUCTION Human population in the past 48 years has more than doubled its seize, from 2.5 billion in 1950 to 5.9 billion in 1998 . A few month ago the Secrtary of the United Nation declared a baby as the No. 6 billion citezen of the earth. As you may have noticed, human population has reached a...