Liolaemus tenuis from the Andes in the Biobio region of Chile. Photo by Damien Esquerré.

Liolaemus tenuis from the Andes in the Biobio region of Chile. Photo by Damien Esquerré.

Breaking a golden rule

A researcher has made a remarkable discovery about a group of lizards living in the Andes. Jess Fagan reports.

The discovery is not only ground-breaking – it’s controversial and challenges a fundamental rule of evolution.