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 ...

A black widow's venom contains a neurotoxin that affects your nerve endings and muscles, leading to severe pain and potential damage. A bite from a black widow is excruciating and may cause ...

Fortunately, fatalities are fairly rare; the spiders are nonaggressive and bite only in self-defense, such as when someone accidentally sits on them. The animals most at risk from the black widow' ...

Black widow bites are surprisingly difficult to identify by the mark on your skin alone, and that's because they don't really leave one. “It will be painful, but finding the culprit is the only ...

View Full Profile. Learn about our Editorial Policies. The thought of black widow spiders is enough to send chills down one’s spine. Their painful bites contain a cocktail of chemicals, primarily the ...