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The Happy Medium

Mid-sized labs do best, says Jeremy Berg, the director of National Institute of General Medical Sciences who is known for blog posts chock full of data, reports Nature. Berg mined NIH data to study correlations between grant size and scientific output. He tells Nature that people had long said that once a lab grows large enough to be unwieldy to manage, it will see its number of publications per grant dollar decline, but that "no one actually had the data to put that in more quantitative terms." Plotting median number of publications and median impact factor against NIH funding, Berg found that both measures topped out at $750,000 in yearly funding. He notes, however, that "the average behaviour is not the behaviour of everybody." Check it out here.

The Scan

Two J&J Doses

Johnson & Johnson says two doses of its SARS-CoV-2 vaccine provides increased protection against symptomatic COVID-19, CNN reports.

Pfizer-BioNTech Vaccine Response in Kids

The Pfizer-BioNTech SARS-CoV-2 vaccine in a lower-dose format appears to generate an immune response among children, according to the Washington Post.

Chicken Changes to Prevent Disease

The Guardian writes that researchers are looking at gene editing chickens to help prevent future pandemics.

PNAS Papers on Siberian Dog Ancestry, Insect Reproduction, Hippocampal Neurogenesis

In PNAS this week: ancestry and admixture among Siberian dogs, hormone role in fruit fly reproduction, and more.