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Breaking science news and articles on global warming, extrasolar planets, stem cells, bird flu, autism, nanotechnology, dinosaurs, evolution -- the latest discoveries in astronomy, anthropology, biology, chemistry, climate & environment, computer...

The ultimate collection of online background noise generators, drones and soundscapes shaped to your personal hearing thresholds!

Powered by the number 1 non-fiction media brand in the world, Discovery Education transforms classrooms and inspires teachers with engaging content and services that measure and improve student achievement.

The Physics Classroom is an online interactive tutorial of basic physics concepts. The lessons use an easy-to-understand language to present common physics principles discussed in a first-year high school physics course.

Concordia is a four-year liberal arts college of the Evangelical Lutheran Church in America

This is a page in The Physics Hypertextbook. It is a work in progress.

Get Physics Help Online from our Expert Physics Tutors. Avail a Free Physics Tutoring Session and get Help with Physics Concepts from the Physics Problem Solver.

Calmsound make stunning nature recordings for you to enjoy anywhere! We travel the world in search of tranquil sounds and make them available to you on our website and to download to your mp3 player. Now everyone can relax, escape, sleep and even mix...

Chegg is #1 in textbook rentals. Don

Online shopping from the earth's biggest selection of books, magazines, music, DVDs, videos, electronics, computers, software, apparel & accessories, shoes, jewelry, tools & hardware, housewares, furniture, sporting goods, beauty & person...

SEDL carries out an integrated program of education applied and development, information provision, technical assistance, and professional development to improve teaching and learning for all students in Arkansas, Louisiana, New Mexico, Oklahoma, an...