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Collaborations All Over the World

Using bibliographic data, Olivier Beauchesne has created a map of scientific collaborations, reports Nature's The Great Beyond Blog. Beauchesne, who works for the bibliometric consulting firm Science-Metrix, extracted collaboration information from journal aggregators and turned the collaborators' cities' names into geographical points to create his map, as he says at his blog. Nature's Richard Van Noorden adds that "many analyses in recent years — including reports from the National Science Foundation, UNESCO — have remarked on how science is entering an era of increasing international collaboration." An example of his maps is below, though there are more at his site:

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The Scan

Missed Early Cases

A retrospective analysis of blood samples suggests early SARS-CoV-2 infections may have been missed in the US, the New York Times reports.

Limited Journal Editor Diversity

A survey finds low diversity among scientific and medical journal editors, according to The Scientist.

How Much of a Threat?

Science writes that need for a provision aimed at shoring up genomic data security within a new US bill is being questioned.

PNAS Papers on Historic Helicobacter Spread, Brain Development, C. difficile RNAs

In PNAS this week: Helicobacter genetic diversity gives insight into human migrations, gene expression patterns of brain development, and more.