During her Ph.D. at the University of Akron, she collected ray spiders from the local parks. "I would just go around peering into cracks and crevices," she recalls. "I would see that tiny little ...
Han noticed the messy upper part where the spider hung out and an array of vertical threads glued to the ground. "When an insect walks by," explains Han, "it will dislodge these trap lines and get ...