Like many expectant moms, filmmaker Penelope Jagessar Chaffer was curious about how the chemicals in her environment would affect her growing baby. She asked her friend, scientist Tyrone Hayes — an expert on the effect of pesticides on amphibians — to explain how a certain pesticides could affect her baby.  


Onstage together at TEDWomen, Hayes and Chaffer tell the story of a mom and a scientist piecing together the effects of the pesticide atrazine on human development.


Check it out and let me know what you think...


The opinions expressed by MNN Bloggers and those providing comments are theirs alone, and do not reflect the opinions of While we have reviewed their content to make sure it complies with our Terms and Conditions, MNN is not responsible for the accuracy of any of their information.