Life & Evolution

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Hope Jahren

AN OPEN BOOK  Hope Jahren details her life in science, and the lives of plants, in Lab Girl

<em>Anolis cristatellus</em>

GOING TO TOWN  After generations of city life, widespread tropical lizards Anolis cristatellus and white clover are not quite the same the same as their country cousins, though not always in the way scientists expect.

scale development

IMPORTANT SPOTS  Tiny bumps (blue dots) on the skin of mammals, birds and reptiles point to shared ancestral structure of hair, feathers and scales. Mouse (far left), snake, chicken and Nile crocodile embryos shown.

Life & Evolution

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