Researchers at Washington University in St. Louis have developed an extraction and cleanup method that, for the first time, will allow for measurements of RNAi pesticides in soil.

Genetically modified Bt cotton is the most widely planted cotton crop in India by acreage, and it is hugely controversial. Supporters long touted increased yields and reduced pesticides to justify its pickup. But that argument does not hold up under the first long-term study of Bt cotton impacts in India. The analysis is co-authored by a Washington University in St. Louis anthropologist in the journal Nature Plants. 

Researchers at the McKelvey School of Engineering at Washington University in St. Louis develop a method to learn more about how a new type of pesticide degrades in the environment.

Bottles without original labels pose risk.With spring comes cleaning — the house, the yard, the basement and the car. And with cleaning comes potential hazards. People use them every day, but if common cleaners and pesticides are stored or applied incorrectly, they can have fatal consequences, say experts in environmental safety and emergency medicine at Washington University in St. Louis. More…