This Week in PNAS

In this week's PNAS Early Edition, researchers led by Pradeep Singh at the University of Washington write that sampling procedures can affect the accuracy of microbiome studies. They compared lung, throat, and sputum samples taken from patients with cystic fibrosis undergoing lung transplants.

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Mary Beckerle has been removed as director of the Huntsman Cancer Institute in what one researcher refers to as a "coup," ScienceInsider reports.

Bill Gates tells the Telegraph that bioterrorism is a serious risk.

The March for Science is to take place tomorrow, and supporters are tapping their creative energies to create placards to carry.

CBS News reports that the White House Science Fair is to continue under President Donald Trump.