Black widows are notorious spiders identified by the colored, hourglass-shaped mark on their abdomens. Several species answer to the name, and they are found in temperate regions around the world.

The black widow spider can be found on every continent except Antarctica. Its venom is toxic and painful, leaving victims to feel the effects long after the bite. Following is a transcript of the ...

You dislodge a rotting log in your yard and immediately recoil at the sight of a spider. The creature is black, shiny, and has eight thick, armoured legs. It is not ...