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Insects

While there are a million different types of insects, all have a hard exoskeleton which is segmented into three parts. In fact the word "insect" is derived from the Latin meaning segmented.

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How Cockroaches Work

Entomologists estimate that there are between 5 and 10 million species of insects on Earth. But if asked which insect they hate the most, many people would have no trouble choosing just one -- the cockroach.

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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