http://news.yahoo.com/video/whoknew-science-love-chemistry-love-060000026.html is love a science? you be the judge
Yes. All forms of emotions are triggered through some chemical balance, hence there is a major element involving scientific evidence. We're not as special of a race contrary to what the vast majority of people may want to believe.
Did you know in the '90s, the military considered producing a hormonal weapon that would make enemy troops attracted to one another? http://news.bbc.co.uk/2/hi/americas/4174519.stm