I am doing a research paper on this topic and I just wanted others opinions thank you.
204795
They save a lot of lives.
93594
you should be able to find something in the links below... good luck with your paper
296768
check with your school librarian. they have a lot of knowledge regarding these research.
445220
There are a great number of cites that you may utilize to find the information needed.  Please see the following.   The wikipedia website is wonderful.  Good Luck!
27465
Several people took the time to answer you question.\nPlease consult the link below or go back to the time you asked this question a day ago and the answers will be there.
84991
I know this isn't a direct answer, but in fact I'm not sure there is a simple answer to your question.  I did find an interesting site that talks some about this, as well as related issues.
307779
Hi, I think the link below will help shed some light on things.\n\nhope it helps\nNigel
251625
Hope this helps a little bit. Also try links at bottom of article for further research.
675786
I'm not quite sure of the correct answer, in fact that's how I found this question, is that I was wondering. In any case, here is a good article I found even though it was written over 7 months ago.(changes may have occured)\nhttp://news.bbc.co.uk/1/hi/magazine/4427718.stm
647518
wow, that's really interesting. I'm gald i read the whole thing, thanks for putting this up here. Where did you find all this information? I'd love it if i could look into it even more, or if you could do some more research and put your findings up here again.
10419
Search at http://scholar.google.com \n\nOnce you find the articles, see if the sources are free. Good luck!
270592
I dont know much about your topic but you might want to take a lookik at google Scholar,  There are credible articles for a vast array of topics.\n\nsee link below
474763
Here is a new article that might help http://www.signonsandiego.com/news/world/20041103-1306-eln-worldview.html which is mostly on the positive side.  \n\nGood Luck!!!
224870
Here's some articles I found. Hope they help.\n\nRegards
7642
They done a recent study about this. Please check the source site. However, it's a good idea to double check facts because some people have lied on that site.
632939
There is a good article in wikipedia.  see link.
270267
Sorry kid...you have to do a little research on your own sometimes.  Try wikipedia.