karla my sister please check this site

its talking about the scientific miracles in the noble quran
http://www.answering-christianity.com/ac20.htm#links


and this site can let you know who is prophet muhammad (peace be upon him)

http://www.rasoulallah.net

this one is also for miracles in the quran
http://www.55a.net/

and this one can help you know more about islam
http://www.islam-guide.com/

http://www.islamreligion.com