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

The leading source for trustworthy and timely health and medical news and information. Providing credible health information, supportive community, and educational services by blending award-winning expertise in content, community services, expert co...

The National Library of Medicine (NLM), on the campus of NIH in Bethesda, Maryland, is the world

Read doctor-produced health and medical information written for you to make informed decisions about your health concerns.

Psychology Today - Commentary, Research and News that cover all aspects of Human Behavior, from the workings of the brain, to relationships and the larger cultural forces that influence our decisions.

Chemistry is the study of matter and energy and the interactions between them. Get facts for the elements in the periodic table. Find chemistry demonstrations and experiments and science fair projects. Get chemistry homework help with worked example ...

Find nutrition facts, including food labels, calories, nutritional information and analysis that helps promote healthy eating by telling you about the foods you eat.

Erowid is an online library containing tens of thousands of pages of information about psychoactive drugs, plants, and chemicals, including entheogens, psychedelics, stimulants, depressants and pharmaceuticals. Includes traditional, spiritual, and r...

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