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Shiny, Electronic, and the Size of Your Thumbnail

Caltech researchers have made a tiny microfluidics-based microscope that sits on a light-sensing chip identical to those found in digital cameras, reports MIT's Tech Review. The images it takes can then be combined with a processor similar to those found in PDAs, enabling high-throughput imaging in biology labs. The researchers estimate that their microscope could be mass-produced at a cost of $10 each -- and one day, doctors could carry them in their pockets.

The Scan

Could Cost Billions

NBC News reports that the new Alzheimer's disease drug from Biogen could cost Medicare in the US billions of dollars.

Not Quite Sent

The Biden Administration likely won't meet its goal of sending 80 million SARS-CoV-2 vaccine doses abroad by the end of the month, according to the Washington Post.

DTC Regulation Proposals

A new report calls on UK policymakers to review direct-to-consumer genetic testing regulations, the Independent reports.

PNAS Papers on Mosquito MicroRNAs, Acute Kidney Injury, Trichothiodystrophy

In PNAS this week: microRNAs involved in Aedes aegypti reproduction, proximal tubule cell response to kidney injury, and more.