matthew niel is a professor of and tamala, g at iowa state university. he explains what they've done to avoid the destruction of these we've been looking at this issue in iowa where many of our crops use variety of intact design, including some of the ones that are mentioned in kenya. and we're addressing this in a couple of ways. one looking at how farmers could reduce the use of insecticides that they're using in their crops, but also asking how much exposure bees are experiencing in the crops in an adjacent habitat that's designed for it to conserve them. and what we found is that there are bees that are at risk of exposure to these in fact assigned, they are showing up both in the crops, of course, and in the adjacent habitat, but where farmers are using past management strategies like integrated pest management. we're seeing reduction in that exposure and even the exposure that is there is below the concentrations that are anticipated to cause harm to the just by being small they are incredibly valuable to crop production. about a 3rd of everything