The court ruled that it was unconstitutional to bar state agencies from investing with firms that the state had accused of boycotting the oil industry. By Karen Zraick Federal agencies are delaying ...

Optics and photonics is the study of the fundamental properties of light and harnessing them in practical applications. Optics and photonics covers the entire electromagnetic spectrum from high-energy ...

Earth and environmental sciences cover all aspects of Earth and planetary sciences, and broadly encompasses solid Earth processes, surface and atmospheric dynamics, Earth system history, climate and ...