Monday, 22 October 2012

Why Aren't Insects Human-Size?

The Ant-Man cometh.  
Director Edgar Wright, known for movies such as "Shaun of the Dead," announced earlier this week he would be making a movie about Ant-Man, a comic superhero who can shrink to the size of an ant and communicate with his formic brethren, according to the news site Grantland. If it's anything like the comic, it will also feature ants as big as humans, which got us thinking: Could ants be as big as people? And why aren't insects bigger than they are?
The short answer is, researchers don't know exactly, although there are several hypotheses as to why insects and other arthropods don't get bigger, said insect physiologist Jon Harrison, at Arizona State University in Tempe.

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