iSGTW - International Science Grid This Week
iSGTW - International Science Grid This Week
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Home > iSGTW - 15 September 2010

Issue 192: iSGTW 15 September 2010

Deciphering the tree of life


What’s a bee without its honey, a butterfly without a flower’s nectar? It’s a pretty puzzle posed by the fossil record, which suggests that insects evolved long before flowering plants did.

With the rise of genetics, a new window has opened onto evolution – one that could provide a fresh perspective on old problems such as the disparity between insect and angiosperm (flowering plant) evolution.

Computational phylogenetics is the development of computational and mathematical techniques that aid in the estimation of evolutionary history, using molecular data such as protein and DNA sequences to construct a “tree of life.” To calibrate their molecular results, evolutionary biologists add the fossil record to the mix, and assume that a new species will evolve at the same rate as its ancestors.

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Interview

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One person’s view, behind the scenes of middleware

John White, security team leader of EMI, discusses his work.

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Feature

Neighborly efficiency

A new approach to k-nearest neighbor problems could give a speed boost to applications ranging from face recognition to music genre classification.

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Podcast of the week

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Alan Sill of OGF discusses standards, grids, and clouds

Alan Sill, Open Grid Forum’s new vice president of standards, discusses the overlap between grids and clouds during this audio interview with Cloud Commons’ Derek Stevens.

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Image of the week

Supercomputing between the lines

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Null
 iSGTW 22 December 2010

Feature – Army of Women allies with CaBIG for online longitudinal studies

Special Announcement - iSGTW on Holiday

Video of the Week - Learn about LiDAR

 Announcements

NeHC launches social media

PRACE announces third Tier-0 machine

iRODS 2011 User Group Meeting

Jobs in distributed computing

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 Mark your calendar

December 2010

13-18, AGU Fall Meeting

14-16, UCC 2010

17, ICETI 2011 and ICSIT 2011

24, Abstract Submission deadline, EGI User Forum

 

January 2011

11, HPCS 2011 Submission Deadline

11, SPCloud 2011

22, ALENEX11

30 Jan – 3 Feb, ESCC/Internet2

 

February 2011

1 - 4, GlobusWorld '11

2, Lift 11

15 - 16, Cloudscape III


More calendar items . . .

 

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