A new study led by Washington State University found that even without nerves, plants can sense when something touches them and when it stops. Even though scientists are familiar with the concept of plants responding to human touch, the study shows that it's actually the plant cell sending different signals when its touched.

For more on this, KCBS Radio news anchors Bret Burkhart and Nikki Medoro spoke with Michael Knoblauch, WSU biological sciences professor and senior author of the study.