Archive: 10/05/2011

Examining the Great Wall

Structure exists on nearly all scales in the universe. Matter clumps under its own gravity into planets, stars, galaxies, clusters, and superclusters. Beyond even these in scale are the filaments and voids. The largest of ...

dateMay 10, 2011 in Astronomy
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Explained: Measuring earthquakes

The powerful earthquake that struck Japan in March was a 9.0-magnitude event. But this was not, as some people may assume, as registered on the Richter scale, the famed measuring system dating to the 1930s. Seismologists ...

dateMay 10, 2011 in Earth Sciences
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Wild animals age too

Until now, the scientific community had assumed that wild animals died before they got old. Now, a Spanish-Mexican research team has for the first time demonstrated ageing in a population of wild birds (Sula nebouxii) in ...

dateMay 10, 2011 in Plants & Animals
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