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Either Way, We Don't Want It in Our Apartments

Two New York City high school students took to the streets to collect more than 200 samples, including hair from classmates, food, and cockroaches, to examine their DNA barcodes, reports NPR's health blog Shot. Brenda Tan and Matt Cost confirmed that their classmates were human (shucks) and identified some mislabeled food. They might have, though, identified a new species of cockroach. That roach, collected from an Upper West Side apartment, varied from the roaches in the Barcode of Life Database by about four percent and most species vary by one percent or less.

The Scan

Study Links Evolution of Longevity, Social Organization in Mammals

With the help of comparative phylogenetics and transcriptomics, researchers in Nature Communications see ties between lifespan and social organization in mammals.

Tumor Microenvironment Immune Score Provides Immunotherapy Response, Prognostic Insights

Using multiple in situ analyses and RNA sequence data, researchers in eBioMedicine have developed a score associated with immunotherapy response or survival.

CRISPR-Based Method for Finding Cancer-Associated Exosomal MicroRNAs in Blood

A team from China presents in ACS Sensors a liposome-mediated membrane fusion strategy for detecting miRNAs carried in exosomes in the blood with a CRISPR-mediated reporter system.

Drug Response Variants May Be Distinct in Somatic, Germline Samples

Based on variants from across 21 drug response genes, researchers in The Pharmacogenomics Journal suspect that tumor-only DNA sequences may miss drug response clues found in the germline.