HEATKEYS

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 ...

A blog about maths and physics problems in high school.

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...

The second largest translation marketplace.

The Voice of America is one of the world's most trusted sources for news and information from the United States and around the world. VOA is a multimedia news organization using radio, television, and the internet to distribute content in 45 languag...

A place to capture and share ideas, experiment with and publish links about nonprofit technology, educational technology, adoption challenges, information design, visual thinking, creativity, ICT in the developing world, and much more.

International führender Wissenschaftsverlag - Wissenschaft, Technik, Medizin, Architektur, Wirtschaft und Verkehr - Zeitschriften, Bücher und EContent.