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William Roper, Viktoria Brough

Human Longevity appointed William Roper its CFO. He had been the firm's interim CFO. The company also promoted Viktoria Brough to vice president of finance, controller. 

Roper spent 17 years as executive vice president of SAIC and was the president and CEO of Verisign. Brough joined Human Longevity in 2014 after spending more than a decade as an auditor at Ernst & Young Assurance practice in San Diego.

The Scan

Could Mix It Up

The US Food and Drug Administration is considering a plan that would allow for the mixing-and-matching of SARS-CoV-2 vaccines and boosters, the New York Times says.

Closest to the Dog

New Scientist reports that extinct Japanese wolf appears to be the closest known wild relative of dogs.

Offer to Come Back

The Knoxville News Sentinel reports that the University of Tennessee is offering Anming Hu, a professor who was acquitted of charges that he hid ties to China, his position back.

PNAS Papers on Myeloid Differentiation MicroRNAs, Urinary Exosomes, Maize Domestication

In PNAS this week: role of microRNAs in myeloid differentiation, exosomes in urine, and more.