Walter G. Johnson

(he / him)

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A computer illustration of a cross-section of a mitochondrion and its internal structure with DNA (gray), ribosomes (light green), granules (yellow) and ATP synthase particles (light blue). TUMEGGY/SCIENCE PHOTO LIBRARY/Getty Images

Disputes over when life begins may block cutting‑edge reproductive technologies like mitochondrial replacement therapies

Walter G. Johnson, Arizona State University and Diana Bowman, Arizona State University

The nomination of Judge Amy Coney Barrett has implications for how assisted reproductive technologies, which can prevent the transmission of disease from parents to child, are regulated.
Interested in a juicy burger grown in the lab? Oliver Sjöström/Unsplash

Would you eat ‘meat’ from a lab? Consumers aren’t necessarily sold on ‘cultured meat’

Walter G. Johnson, Arizona State University; Andrew Maynard, Arizona State University, and Sheril Kirshenbaum, Michigan State University

Cultured meat comes from cells in a lab, not muscles in an animal. While regulatory and technological aspects are being worked out, less is known about whether people are up for eating this stuff.

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