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Who Doesn't Like the Smell of Rotten Eggs?

Everybody's done something in the lab that they are not supposed to (yes, that means the cup of coffee in your hand) -- and at Bitesize Bio, Nick Oswald and Suzanne Kennedy drew up a list of 10 common and serious safety mistakes people make. At the top is handling a chemical without reading the MSDS. "It is easy to get blase about safety and think that MSDS's are as neurotic as an over-protective mother," Nick writes, adding that despite their fear-mongering, the safety sheets offer sensible advice. Their list also includes not wearing safety goggles, balancing centrifuge tubes by eye, opening beta-mercaptoethanol outside of a fume hood (it's poisonous and smelly), and more.

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.