Several European countries issued red weather alerts as a fresh bout of extreme heat pushed temperatures beyond 40 degrees Celsius (104 degrees Fahrenheit).
A generic version of a breakthrough cystic fibrosis drug, manufactured in Bangladesh for a fraction of the American price, may give some families around the world an unlikely lifeline.
Scientists have identified a molecular switch that may help explain how colorectal cancer becomes deadly. When levels of a gene-regulating factor called GATA6 drop, cancer cells can shed their normal identity and transform into highly adaptable, fetal-like cells capable of spreading through the bloodstream and establishing new tumors in the liver. The study suggests that…