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It's the MacGyver Approach to Microfluidics

Here's a blog post from the Wired folks describing a new microfluidics technology that could potentially be used for low-cost diagnostics in the developing world. From George Whitesides' group at Harvard, the technology is based on using a paper substrate with double-sided tape to keep costs down. "With a bit more work, the Harvard University chemists who devised the paper test could build a user-friendly, multi-layered microfluidics device with raw materials that cost roughly three cents," the story says.

 

The Scan

Tens of Millions Saved

The Associated Press writes that vaccines against COVID-19 saved an estimated 20 million lives in their first year.

Supersized Bacterium

NPR reports that researchers have found and characterized a bacterium that is visible to the naked eye.

Also Subvariants

Moderna says its bivalent SARS-CoV-2 vaccine leads to a strong immune response against Omicron subvariants, the Wall Street Journal reports.

Science Papers Present Gene-Edited Mouse Models of Liver Cancer, Hürthle Cell Carcinoma Analysis

In Science this week: a collection of mouse models of primary liver cancer, and more.