Source: Nosferattus, CC0, via Wikimedia Commons. This time of year, spiders receive a lot of attention for their creepier qualities. But Ximena Nelson, a biologist at the University of Canterbury in ...

Spiders usually have four pairs of eyes and there are two types: principal and secondary. Principal or direct eyes help the spider see detail; the photoreceptor cells of their retinas are at the front ...

Close-up glowing spider web or cobweb with dew hanging on the grass in the early morning. Golden sunrise shines on spider web and grassland in the background. Focus on cobweb.© Tanes ...