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Deepali Medhekar
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Deepali Medhekar

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If you are in Alberta, please spread the word .. someone would have seen something ...
More than 200 of close friends and concerned colleagues met with Edmonton police missing person detectives Sunday for an update on Anina Hundsdoerfer — a local scientist who has been missing for more than a week.
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Asteroid will safely pass closer than moon. Its closest approach will be at about 217,000 miles from Earth at about 4 p.m. EST today: http://www.nasa.gov/jpl/asteroid/asteroid-2014-DX110-20140304/index.html#.UxdeURBnh7w
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Deepali Medhekar

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Bacterial Evolution : How Bacteria evolve and behave may answer many questions about life itself. These ancient organisms evolved since the beginning of biology on Earth, and some of the mysteries of our existence is locked in their code. Researchers are just starting to understand some of the basic goals of such organisms, and the findings are fascinating and quite interesting.

Evolution Never Stops : Evolution is relentless process that seems to keep going and going, even when creatures live in a stable, unchanging world. That's the latest surprise from a unique experiment that's been underway for more than a quarter-century. Day after day — including holidays and weekends — workers in Lenski's lab at Michigan State University in East Lansing feed and care for the E. coli bacteria. The bacteria eat and divide again and again. The original microbes have produced more than 50,000 generations over the last 25 years. It turns out, though, that the bacteria haven't stopped evolving, and it looks like they never will, according to a in the journal Science.

DNA Grabbing Bacteria : Lab tests involving microbes and a mammoth bone have shown that bacteria can passively soak up the genetic remains of long-dead organisms from the environment and add them to their own genomes. By absorbing snippets of DNA that float in the environment, bacteria can access a junk shop of genetic material – some of which may no longer be in circulation in living things. What's more, the mechanism requires hardly any cellular machinery, suggesting it may be left over from the earliest forms of life. Long before the advent of sex, the first cells may have randomly scavenged stray bits of DNA to survive and evolve.

Bacteria join forces to create electricity : Bacterial cells use an impressive range of strategies to grow, develop and sustain themselves. Despite their tiny size, these specialized machines interact with one another in intricate ways. The research group demonstrates that the light-sensitive green sulfur bacterium Chlorobium can act in tandem with Geobacter, an anode respiring bacterium. The result is a light-responsive form of electricity generation.

Bacterial hyperswarms : Posted concurrently at http://goo.gl/97ddgi describes how watching Bacteria evolve may be useful in combating resistance.
                                     
Article link for Evolution never stops: http://www.npr.org/blogs/health/2013/11/15/245168252/bacterial-competition-in-lab-shows-evolution-never-stops

Additional link: http://www.sciencedaily.com/releases/2013/11/131114142215.htm

Related research link: http://www.sciencemag.org/content/early/2013/11/13/science.1243357.abstract

Article Link for DNA Grabbing Bacteria: http://www.newscientist.com/article/mg21929363.100-dnagrabbing-bacteria-hint-at-early-phase-of-evolution.html#.UoiIkOIl9pI

Related research link: http://forskningsbasen.deff.dk/Share.external?sp=S11ce861d-7b1a-4eb8-8d1a-1a82fd517385&sp=Sku

Article link for Bacteria join forces to create electricity: http://www.sciencedaily.com/releases/2013/10/131008102549.htm

Related article: http://www.biodesign.asu.edu/news/working-together-bacteria-join-forces-to-produce-electricity

Additional reference (bacterial evolution) : http://mmbr.asm.org/content/51/2/221.full.pdf

Pics detail: Pic on left : Bacterial evolution offers clues to tradeoffs in financial investments, from Kurzweil AI. Pic on right: The Evolution of the Flagellum (from evolutionarymechanism)

#science #scienceeveryday #evolution  
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Ulhas Pradhan's profile photo
 
Highly informative and educative information regarding Bacterial Evolution,DNA Grabbing Bacteria, Bacteria join forces to create electricity and numerous other scientific data.
 
received a class set of #chromebook .. enrolling them 1 at a time .. phew .. on the fifth one and ERROR says ' error when fetching poicy settings from the server : Bad policy timestamp.' HELP !!
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Yay! issue solved ! shut down > restart> system auto updates ->and auto works 
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Deepali Medhekar

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have you checked out the Science Council's Resource Database on http://sc.teachers.ab.ca/sharing/SitePages/Home.aspx
 
Are there any grade 1-3 teachers out there who can help me?  I need to know more about your science units and what kind of equipment you will need next year once we reconfigure.  Links?  Supply list?
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Deepali Medhekar

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We love this post that features some of our former finalists!

Source: https://www.facebook.com/ScienceNaturePage 
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Deepali Medhekar

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Learn how to keep your kids safe online

The Internet is an incredible resource for kids, but it can be tough for parents to know how to keep their kids safe online.  That's why Google has teamed up with iKeepSafe to launch the BEaPRO Parent app for +Android, available through +Google Play.  Take the BEaPRO Parent Quiz to gauge your digital literacy as a parent, and learn how to provide a safe online environment for your family.  

To learn more, check out out the iKeepSafe blog post about the launch: http://goo.gl/PNJd5s.
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Thanks .. but this is not my article .. I just shared someone's article

Deepali Medhekar

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Thing wee get excited about in E-town !
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Have her in circles
79 people
Trevor Prentice's profile photo
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