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Insects and Arachnids

Insects and arachnids are the most popular wild animal on Earth. Read our collection of articles discussing all sorts of ants, bugs, butterflies, spiders and just about every other type of insect and arachnid.

Topics to Explore

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How Spiders Work

Love 'em or hate 'em, you've got to admit that spiders are some pretty impressive animals. Movies like "Arachnophobia", "Spider-Man" and "Eight Legged Freaks" even spin their stories around spiders. Check out the real-life web-slinging, wall-crawling, venom-injecting inspiration.

Why are moths attracted to light?

I always see moths circling around and landing on my porch light. Why do they do this? Is it somehow advantageous to them?

How Mosquitoes Work

In 2005, there were 3,000 verified cases of West Nile Virus in the U.S. alone, and we can probably expect even more this year. This mosquito-borne disease keeps popping up. Find out all about mosquitoes.

How do flies breathe?

Insect respiration is very different from that of a human. Insects do not have lungs that deliver oxygen to all of the cells in their body. So how exactly do flies and other insects breathe then? Find out the answer to that question in this article.

How do fireflies light up?

When flickering fireflies light up the summer night, they’re not showing off – they’re talking to each other. How do these insects make their abdomens glow?

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