That’s because these chemical cocktails possess potent antimicrobial activities in addition to their dangerous physiological ones—a fact that has also led to the widespread idea that, despite being ...

Why have a few spiders lost their venom glands—but most have not? The team came across an interesting mutation in the so-called Hox genes, which are responsible for the categorization of body parts.

"This particular spider is a lot larger, its venom glands are a lot larger and its fangs are a lot longer," he said. In research released on Monday, scientists from the Australian Museum ...