Very recent studies have shown that scientists have identified how and why there was such big number in the repellency of insects to DEET , which is the chemical used to kill insects for crops. This is a major breakthrough because researchers have come up with 3 safe compounds that could be used instead of DEET that would safely help the crops and prevent serious diseases such as malaria and West Nile virus. This research is important and will lead to more effective insect repellents and change the way business is done.
http://www.sciencedaily.com/releases/2013/10/131002131434.htm
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