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Deeper Imaging for Cancer

Here's a twist on the usual experiments to image genes and proteins in vivo. German and American optical imaging researchers have created a new near-infrared imaging system that uses ultrafast cameras to capture light that hasn't scattered, or so-called early arriving photons, effectively allowing them to view deeper tissues at higher resolution. So far, the work has focused on mice and is still in early stages. Lead author Mark Niedre, assistant professor of electrical and computer engineering at Northeastern University, cautions that "the instrumentation and image processing will need substantial improvement before the technique can be applied to larger animals and humans," says this story in Technology Review.

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.