Kelly Rae Chi

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Five years ago human geneticists rallied around an emerging concept. Technology had granted the ability to compare the genomes of individuals by looking at tens of thousands of known single-letter differences scattered across them. These differences, called single nucleo tide polymorphisms or SNPs, served as reference points or signposts of common variation(More)
A lung biopsy is an invasive and uncomfortable procedure — especially for an 80-year-old grandmother. But by profiling his elderly patient’s tumours in this way, lung oncologist Geoffrey Oxnard could target them with a matched drug. After treatment, his patient’s tumours seemed to disappear. Then, some time later, the 80-year-old returned to Oxnard’s clinic(More)
Illicit drug use has reached a near-decade high in the US, so it’s perhaps not surprising that public health officials harbor strong hopes for vaccines to treat various addictions. But whereas some experimental vaccines of this sort have shown promise in animal studies and early clinical trials, it seems that some of these shots against addiction—such as(More)
For many years it was a source of frustration for biologists that the internal components of a cell were practically invisible to them. Researchers believed that the wavelength of light determined a fundamental limit to the resolution of optical microscopes. However, it now seems that the wavelength of light was not such a limiting factor after all.(More)