When a spider bites, it typically leaves two puncture marks on the skin, a hallmark of arachnid encounters. In the United States, there are over 3,500 species of spiders, but only a handful are known ...

Add Yahoo as a preferred source to see more of our stories on Google. Bugs. The ecosystem can't survive without them, but they sure do know how to ruin a good time. Roasting (and eating lots of) ...

Each year, thousands of Americans experience spider bites, yet only a small fraction require medical intervention. Understanding which encounters demand immediate attention and which can be treated at ...

Bugs. The ecosystem can't survive without them, but they sure do know how to ruin a good time. Roasting (and eating lots of) s'mores is less fun when bugs are biting you, but summer fun after sundown ...