Venom 15 times stronger than a rattlesnake — the black widow spider. What happens when it bites? All black with a red hourglass, just bigger than a paperclip. Only the female can bite humans.

Bryan Fry, University of Queensland professor of toxicology, says the effects of red-bellied black snake venom can vary dramatically between humans and animals. "In this case it could be something ...

Human mortality from the venom per se has not been reported in the ... burning sensations around two reddish pinpoints on my index finger, a red streak appeared on the inside of my arm and began ...

This spider's bite is much feared because its venom is reported to be 15 times stronger than a rattlesnake's. In humans, bites produce muscle aches, nausea, and a paralysis of the diaphragm that ...

I turned over a log in the woods last week and was pleased to see nearly two dozen pairs of bright red legs disappear beneath the leaves: a centipede. I ...

But what does venom actually do to you? Venom is thought to have evolved independently at least 100 times. Today there are thousands of venomous animals thriving around the world. Over time their ...