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As this satellite image from space shows, the Earth is fast becoming a planet of megacities. Every week humans create the equivalent of a city the size of Vancouver, Canada. Can human "megacities" learn from insect societies? A team of researchers including scientists from the University of Florida has shown insect colonies follow some of the same biological "rules" as individuals, a finding that suggests insect societies operate like a single "superorganism" in terms of their physiology and life cycle. Insect colonies make up a large fraction of the total biomass on Earth. The findings may have implications for human society.