The Economist -
12 Feb 2014 20:49

A stairway to heaven? TERMITES are synonymous for most people with destruction. Given half a chance, they will chew up a house as soon as its owner's back is turned. But entomologists have a different point of view. They are more likely to wax lyrical about the insects' talents for construction.Termite mounds may reach as much as three metres towards the sky--quite an achievement for animals that are but a few millimetres long. And these mounds are not mere piles of earth. They have clever air-c...
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