Across 1,100 miles of Namibian grassland, millions of bare, near-perfectly round patches stipple the earth in a honeycomb pattern visible from space. For 50 years scientists have fought over the cause — sand termites, poison gas, or the grass itself organizing like a living Turing pattern. The answer may be stranger than any single theory.
The overview of one of ecology's great open arguments: what the circles are, where they appear, and the competing camps that have spent decades trying to explain them.
A gorgeous aerial introduction showing the eerie regularity of the pattern — and why it's so hard to believe nothing living is deliberately drawing it.
Ecologist Stephan Getzin lays out the case against termites and for self-organization, with a sharp reminder that correlation is not causation.
Walks through the 2022 field study measuring soil moisture minute by minute — evidence that thirsty grasses engineer their own bare zones to survive.
The rival idea from Princeton: that subterranean termite colonies compete like nations, carving the landscape into a mathematically spaced grid of territories.
The pattern echoes 'Turing structures' seen in seashells and animal coats — a hint that deserts, like tissue, may follow universal rules of self-organization.
CNN on the water-stress breakthrough, and why even a headline-grabbing 'solved' hasn't ended the fight. Some researchers still aren't convinced.