News tagged with radioactive elements

How to discover a new element

(PhysOrg.com) -- It is not the same as it used to be, the element finding business. We have discovered and named all the elements from hydrogen (element 1) up to element 112 (copernicium)[1], and last week ...

dateJun 15, 2011 in Condensed Matter
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Tracing the history of Earth

Although scientists have a general idea of when major events occurred during Earth’s 4.5-billion-year history, geologists would like to be able to pinpoint the exact dates of those events. Precise dates ...

dateNov 03, 2010 in Earth Sciences
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