General Dynamics Corporation operates as an aerospace and defense company worldwide. It operates through four segments: Aerospace, Marine Systems, Combat Systems, and Technologies. The Aerospace ...

Atmospheric dynamics encompasses all physical processes within atmospheres, including global and regional-scale circulation, convection, tropical and extratropical cyclones, and interannual ...

The Maya civilization flourished in South America at approximately 2000BC. They developed a unique style of arts and architecture, astronomy, even a written language. Though their writing—and even the ...

Music has held a special role in human society for thousands of years. In ancient China, for instance, sets of bronze bells were played for entertainment and ritual purposes at court. The ...

Find learning tools and technology for your school with Microsoft Education. We’re on a mission to make education equitable for all. Contact a sales partner Learn how to buy school software Contact a ...