Science | AAAS
Mar 6, 2009 · Science/AAAS peer-reviewed journals deliver impactful research, daily news, expert commentary, and career resources.
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Periodic Table - Ptable - Properties
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Accelerated modern human–induced species losses: Entering ... - Science
Jun 19, 2015 · Here, we analyze the modern rates of vertebrate species extinction and compare them with a recently computed background rate for mammals (7). We specifically addressed the following …
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Radiation Sources and Doses | US EPA
Feb 19, 2026 · Nuclear reactors emit small amounts of radioactive elements. Radioactive materials used in industry and even in some consumer products are also a source of small amounts of background …
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Background radiation - Uses and dangers of radiation - AQA - GCSE …
Learn about and revise irradiation, contamination and the uses and dangers or radiation with GCSE Bitesize Physics.
Google Scholar
Google Scholar provides a simple way to broadly search for scholarly literature. Search across a wide variety of disciplines and sources: articles, theses, books, abstracts and court opinions.