
ALT Professional headshot of David Cook. He is smiling and wearing a suit. The background is red with a faint image of the Innovation Center integrated into the design. A banner at the bottom displays the Iowa State University presidential seal and bold text that reads “David Cook,” with “17th president of Iowa State University” underneath.

ALT A new developmental theory from an Iowa State researcher describes how our memory and perception of trauma can evolve over time, shifting with new experiences and as cognitive and emotional development take place, and challenges assumptions that trauma reporting is either true or false. Illustration: Adobe Stock Images.

ALT This polarized light image shows ice grains deformed in experiments with the ring-shear device in Neal Iverson's Iowa State laboratory. The experiments show that grains, on average, grow about 3 times larger during experiments and develop more irregular boundaries. The different colors indicate different orientations of the grains. Photo courtesy of Neal Iverson.
















