Health
Viagra's Sildenafil Stops Metastases
Research on five million patients shows that the active ingredient in the popular drug can block the supply of cholesterol to tumor cells, a key factor in cancer spread.
Science
CRISPR enzyme that shreds DNA could kill cancer cells
Two new papers published in Nature describe how the unusual bacterial enzyme Cas12a2 recognizes cancer cell RNA and then destroys their entire DNA, causing cell self-destruction.