HEATKEYS

Providing researchers with access to millions of scientific documents from journals, books, series, protocols and reference works.

Facebook is a social utility that connects people with friends and others who work, study and live around them. People use Facebook to keep up with friends, upload an unlimited number of photos, post links and videos, and learn more about the people ...

CreateSpace provides free tools to help you self-publish and distribute your books, DVDs, CDs, video downloads and MP3s on-demand on Amazon.com and other channels

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...

Lulu.com lets you make, self-publish, print and sell print-on-demand books, e-books, photo books and calendars with free book publishing.

MedCastle is the leading online destination used by physicians, medical students and other healthcare professionals for in-depth clinical information.

Instructables is the Biggest How To and DIY community where people make and share inspiring, entertaining, and useful projects, recipes, and hacks.