Murray Isman, Ph.D., American Chemical Society (image) American Chemical Society Share Print E-Mail Caption Natural pesticides made of spices show promise as an eco-friendly way to fight insects that destroy organic food crops. Shown is Murray Isman, Ph.D., of the University of British Columbia, who is developing these pesticides. Credit Martin Dee, University of British Columbia, Canada. Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.