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...come a long way from the classical list of earth, wind, water and fire. Modern elements, with all their complexities, require a chart whose rows and columns reflect their properties and how they interact with one another. In the 19th century, several scientists worked on developing a periodic table that arranged the elements according to their atomic weight. It is Russian chemistry professor Dmitri Mendeleev, however, who is credited with developing the first real table in 1869. He organized the 63 then known elements into groups with similar properties and left some spaces blank for those whose existence he could...

Author: /time Magazine | Title: Brief History: The Periodic Table | 4/26/2010 | See Source »

...hope this will allow students to reflect on the fact that this is the type of architecture that used to be here, and that there were people here thousands of years before there was ever a Harvard,” he said...

Author: By Evan J. Zepfel, CONTRIBUTING WRITER | Title: Students Create a Wigwam in Yard | 4/23/2010 | See Source »

...removing a student, a leave of absence limits the College’s liability. At best, a leave can allow a student time to reflect and recover outside of the pace of College life, and, if the student has the resources, to access long-term care at home...

Author: By Asli A. Bashir, CRIMSON STAFF WRITER | Title: Brain Break | 4/23/2010 | See Source »

This article has been revised to reflect the following correction...

Author: By Asli A. Bashir, CRIMSON STAFF WRITER | Title: Brain Break | 4/23/2010 | See Source »

This article has been revised to reflect the following corrections and clarification...

Author: By Natalie duP. C. Panno, CONTRIBUTING WRITER | Title: A Ticking Biological Clock | 4/23/2010 | See Source »

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