A new book captures how genetics fills in the story of life’s evolution

‘Some Assembly Required’ explores how genetic analyses complement paleontological research

Tiktaalik roseae illustration

Neil Shubin recounts big moments in life’s history, including animals’ colonization of land. Tiktaalik roseae, which lived 375 million years ago, took early steps toward a terrestrial lifestyle.

Zina Deretsky/National Science Foundation

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