For some people, the sight of a spider egg sac is incredibly unsettling. They may be tempted to immediately destroy or remove it from the home, assuming that the progeny that emerges will be dangerous ...

Although the word “spider” may elicit a “yuck” or an “ew” from many readers, the true nature of these oft-feared critters is not as icky as one might suppose. Arachnids provide essential services for ...