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Animals | Wild Animals | Arachnids

Arachnids have four pairs of jointed legs, two body sections and simple eyes. Arachnids are aggressive predators and include spiders, scorpions, mites and ticks.

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What is a spider's silk made of?

Spider silk is five times stronger than steel and twice as strong as bullet-proof Kevlar. What exactly is spider silk, what is it made of and why is it so strong? Find out the answers to these questions and learn other facts about spider silk.


10 Myths About Spiders

 10 Myths About Spiders

Spiders often incite fear, worry and more, but really these creatures are typically benign. Learn 10 myths about spiders at HowStuffWorks. See more »

Do we really swallow spiders in our sleep?

 Do we really swallow spiders in our sleep?

Spiders generally have no desire to be eaten, but accidents happen. Learn if we really swallow spiders in our sleep at HowStuffWorks. See more »

Do daddy longlegs really have powerful venom?

 Do daddy longlegs really have powerful venom?

The daddy longlegs generally doesn't top lists of the scariest spiders. But should it? Learn just how poisonous daddy longlegs are at HowStuffWorks. See more »

Do black widows eat their mates?

 Do black widows eat their mates?

Female black widow spiders have a reputation for eating their mates. Learn more just how cannibalistic black widows are at HowStuffWorks. See more »

10 Amazing, Beautiful, TERRIFYING Spiders

 10 Amazing, Beautiful, TERRIFYING Spiders

Spiders have been on Earth 380 million years. Here's HowStuffWorks' list of 10 amazing, beautiful and terrifying spiders. See more »

How to Identify Black Widow Spiders

 How to Identify Black Widow Spiders

How to identify Black Widow Spiders. Visit HowStuffWorks to learn more about how to identify Black Widow Spiders. See more »

Arachnid Pictures

 Arachnid Pictures

Arachnids include spiders, mites, ticks, harvestmen, chiggers and scorpions. Learn more by viewing these arachnid pictures. See more »

What is a spider's silk made of?

 What is a spider's silk made of?

What is a spider's silk made of? Spider's silk is made up of chains of amino acids. Learn more about spider silk and spiders. See more »

How long can scorpions live without food or water?

 How long can scorpions live without food or water?

Scorpion food consists of protein sources like insects and other scorpions, but they don't eat very often. Read about scorpion food and when they eat. See more »

What's the world's deadliest spider?

 What's the world's deadliest spider?

The deadliest spider is hard to pin down because poisonous spiders have varied effects on their victims. Read about contenders for the deadliest spider. See more »