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AskNature is the world's first digital library of Nature's solutions, organized by function, that can serve as an educational and cross-pollinating tool as well as a collaboration forum among biologists, engineers, designers and other innovators.

Nature - the world

Yahoo! Answers is a new way to find and share information. You can ask questions on any topic, get answers from real people, and share your insights and experience.

HowStuffWorks Science has explanations and colorful illustrations related to earth science, life science, and other wonders of the physical world.

Antibodies and other tools for protein extraction, purification, modification and detection. Pierce Protein Research Products from Thermo Fisher Scientific.

PLoS Biology is an open-access, peer-reviewed journal that features works of exceptional significance in all areas of biological science, from molecules to ecosystems, including works at the interface with other disciplines.

Explore the updated online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of articles, biographies, videos, images, and web sites.