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We have more than 2000 biographies of well-known scientists.

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Q&A Our editors answer YOUR questions. |
Topical Study Guides
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Now on AccessScience
Welcome to the next generation of AccessScience: Site Tour
Live bookmarklets in Helpful Tools—search AccessScience from anywhere online. |

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VIDEO NEWS: Better (Rewriteable) Holograms
Live, 3-D holographic movies or televisions are now a big step closer. As this ScienCentral News video explains, researchers are developing them using a new material that makes holograms rewritable. |
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AccessScience EXPLORATIONS
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Exploration: Pluto What is a planet, anyway? Pluto’s mystery is discussed by astrophysicist Neil deGrasse Tyson and astronomer Tobias C. Owen |
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Exploration: Fossil Humans
Anthropologist Eric Delson on the science of human origins, and the implications of a recent find of in Dikika, Ethiopia. |
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NEW ENCYCLOPEDIA ARTICLES |
The newest Encyclopedia of Science & Technology articles added to the site.
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