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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 ...

The nation turns to the National Academies -- National Academy of Sciences, National Academy of Engineering, Institute of Medicine, and National Research Council -- for independent, objective advice on issues that affect people

The UNC Gillings School of Global Public Health provides exceptional teaching, conducts ground-breaking research, and delivers dedicated service to people across North Carolina, the United States and around the world. Ranked the top public school of ...

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

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The Sloan Career Cornerstone Center is a non-profit resource center for those exploring career paths in science, technology, engineering, mathematics, computing, and healthcare sponsored by the Alfred P. Sloan Foundation.

Nature - the world

Not here to worship what is known, but to question it. Climate news from Germany in English - by P Gosselin