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An article in Technology Review takes a closer look at the nascent field of molecular imaging. Scientists at the NCI and the University of Tokyo designed a pH-sensitive fluorescent probe to seek out and grab on to specific receptors on a tumor's surface and light up only when the probe has made it inside a cancer cell. They tested the probe on HER2-positive tumors in mice and found that the probe detected tumors with 99 percent accuracy compared to an "always on" probe, which only detected 85 percent of the tumors.

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NPR says the explosion and fire earlier this week at a Russian lab that stores dangerous pathogens revives the question of whether such samples should be kept.

According to Wired, Nebula Genomics is providing a way for people to get their genomes sequenced anonymously.

A 26-year-old woman tells Cosmopolitan about learning her APOE status at a young age.

In Science journals this week: a functional genomic screen uncovers drug combination that increases KRAS inhibitor efficacy in aggressive lung cancer, and more.