Butterflies are often seen as delicate pollinators, but many species display complex survival behaviors rarely noticed. Some feed on minerals from mud, carrion, or even animal blood rather than ...

The electronic and magnetic properties of two-dimensional materials both have strong potential for technological applications. Researchers have long assumed that they are distinct phenomena, but ...

A woman stands in a doorway, light flooding the air around her. The walls are dense with photographs arranged in uneven rows, but you can’t make out more than the shape and the color of the people in ...

• Cholangiocarcinomas (CCAs) are a heterogeneous group of bile duct cancers currently classified as intrahepatic (iCCA), perihilar (pCCA) and distal (dCCA) • The most frequent macroscopic ...

The war in Iran has reaffirmed two truths. One is that the United States is blessed with the most professional and effective military in the world. The men and women of the American armed forces can ...