Tanya Lewis,
LiveScience Staff Writer
Date: 28 March
2013 Time: 02:00 PM ET
The
"artists" behind bizarre, barren, grassless rings dotting the desert of Southwest
Africa have been found lurking right at scientists'
feet: termites.
Known as fairy
circles, these patches crop up in regular patterns along a narrow strip
of the
Namib Desert between mid-Angola and northwestern South Africa
Scientists
have offered many ideas about the circles' origin, ranging from
"self-organizing vegetation dynamics" to carnivorous ants. Termites have
been proposed before, but there wasn't much evidence to support that theory.
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