Spider Uses Web As Slingshot To Ensnare Prey, Scientists Find

This high-velocity maneuver is a nightmare if you're a fly.

There's a type of spider that can slowly stretch its web taut and then release it, causing the web to catapult forward and ensnare unsuspecting prey in its strands.

Triangle-weaver spiders use their own web the way humans might use a slingshot or a crossbow. Scientists from the University of Akron say this is a process called "power amplification," and they publishedthis week.