Customize your Arc Raiders crosshair via the Accessibility settings. Learn how to change shape, color, size, opacity, center ...

President Trump has set his sights on defunding colleges, singling out some of the world’s wealthiest schools in what critics say is an attack on academic freedom. Some are negotiating. Others are ...

Quantum dots are crystals of a fluorescent semiconductor material with a diameter of as few as 10 to 100 atoms (2-10 nm). They are used as labels for imaging molecules because of their very narrow ...