Buy and sell electronics, cars, clothing, apparel, collectibles, sporting goods, digital cameras, and everything else on eBay, the world's online marketplace. Sign up and begin to buy and sell - auction or buy it now - almost anything on eBay.com

Online shopping from the earth's biggest selection of books, magazines, music, DVDs, videos, electronics, computers, software, apparel & accessories, shoes, ...

The New York Times TierneyLab is a blog by John Tierney on unusual scientific ideas and their effect on society.

The Vega Science Trust`s extensive collection of science videos include lectures, discussions, interviews, Nobel Prize interviews, careers profiles, educational resources, and research news.

Pearson Higher Education, Educating more than 100 million people worldwide, Pearson is the global leader in educational publishing, providing scientifically research-based print and digital programs to help students learn at their own pace, in their own way. Our higher education publishing brands: Addison-Wesley, Allyn and Bacon, Benjamin Cummings, Longman, Merrill, and Prentice Hall have earned the trust of educators and students because of their commitment to accuracy, integrity, and independence of thought.

Richard Feynman, scientist, teacher, raconteur, and musician. He assisted in the development of the atomic bomb, expanded the understanding of quantumelectrodynamics, translated Mayan hieroglyphics, and cut to the heart of the Challenger disaster.