Editor’s Selections: Unexpected supernovae, Cosmic Ray and Tree Rings, and Multitasking Cells

Editor's Selections 15 Comments
By Sarah Kendrew

Sarah Kendrew Sarah Kendrew selects interesting and notable ResearchBlogging.org posts in the physical sciences, chemistry, engineering, computer science, geosciences and mathematics. She blogs about astronomy at One Small Step.

Here’s some picks from the past week’s offering in the physical sciences!

How do supernovae occur in galaxies that we don’t expect to host their typical progenitor stars? On Supernova Condensate, this post describes new research into just such an explosion, and discusses some of the proposed scnarios.

Tree rings tell of an excess of 14-C in the Earth’s atmosphere in the 8th century AD, possibly caused by a cosmic ray bombardment. What might have caused it? The Beast, The Bard and The Bot discuss.

Cells, apparently, are the ultimate multi-taskers. On Too Many Live Wires, John Ankers describes new work in modelling of cellular multitasking behaviour, and its limitations.

Have a great week all, and I’ll be back with more selections next Monday.

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Editor's Selection Icon<span style="float: left; padding: 5px;"><a href="http://researchblogging.org/news/?p=3377"><img alt="This post was chosen as an Editor's Selection for ResearchBlogging.org" src="http://www.researchblogging.org/public/citation_icons/rb_editors-selection.png" style="border:0;"/></a></span>

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