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Enzyme Evolution Reveals Earth’s Inhospitable Past

Photo: Ruth Arcus

Stromatolites found in Kalbarri National Park, Western Australia. Photo: Ruth Arcus

By Joanne Hobbs & Vic Arcus

The reconstruction of a one-billion-year-old enzyme paints a picture of a hot and hostile past.

Joanne Hobbs is a postdoctoral research scientist and Vic Arcus is an Associate Professor in the Department of Biological Sciences, University of Waikato, New Zealand.

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