A Jumping Spider’s Pounce Relies on Blurry Vision

A jumping spider (Hasarius adansoni) relies on blurry vision to hunt. (Credit: Kam Yee Fong / Alamy)

Blurry vision in humans often results in a prescription for glasses, contacts, or even surgery to restore a person’s vision to 20/20. For jumping spiders, however, blurry vision is an asset. Research by a team of scientists at Osaka City University in Japan indicates that the key to a jumping spiders leaping prowess is its unusual method of depth perception. [Read more…]