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It's Not String Cheese, It's DNA

Biologists aren't the only ones who are extracting DNA. On her blog, Hsien-Hsien Lei posted a video from metacafe on how to do at-home DNA extractions. Using salt, water, and rubbing alcohol dangerously close to his computer keyboard, the star of the video ends up with stringy white clumps that look kind of like DNA.

We're left waiting, though, for a video on how to do sequencing at home.

 

The Scan

Alzheimer's Risk Gene Among Women

CNN reports that researchers have found that variants in MGMT contribute to Alzheimer's disease risk among women but not men.

Still Hanging Around

The Guardian writes that persistent pockets of SARS-CoV-2 in the body could contribute to long COVID.

Through a Little Spit

Enteric viruses like norovirus may also be transmitted through saliva, not just the fecal-oral route, according to New Scientist.

Nature Papers Present Method to Detect Full Transcriptome, Viruses Infecting Asgard Archaea, More

In Nature this week: VASA-seq approach to detect full transcriptome, analysis of viruses infecting Asgard archaea, and more.