AI explainer: what you need to know before the machines take over

One small molecule that helps regulate gene expression plays a big role in keeping us safe from the machinations of cancer, scientists report. In human lung cancer cells, they have shown low levels of the microRNA, miR-125a-5p, which enables the death of aberrant cells like cancer cells, correlates with high levels of the protein TIMP-1, which is already associated with a poor prognosis in patients with cancer....