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Archive for January, 2013

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A new finding by Harvard stem cell biologists turns one of the basics of neurobiology on its head — demonstrating that it is possible to turn one type of already differentiated neuron into another within the brain.

More info: http://bit.ly/Wd6hHh

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Here Swartz describes the nature of the shift from centralized one-to-many systems, such as broadcast television, to the decentralized many-to-many topography of network communication. The end of scarcity in transmission capacity poses the question of how to finance information production and how people can find their way through the abundance; search engines and collaborative filtering mechanisms have become both essential tools and points of control. These systems paradoxically exercise a renewed centralizing influence due to the social entrenchment of the ‘hit’ phenomenon. Can technical design help to counteract this tendency?

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A new study out January 10 in the journal Science turns two decades of understanding about how brain cells communicate on its head. The study demonstrates that the tripartite synapse — a model long accepted by the scientific community and one in which multiple cells collaborate to move signals in the central nervous system — does not exist in the adult brain.

More information: http://bit.ly/TNplel

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Image credit: Image courtesy of University of Rochester Medical Center.

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2012 in review

The WordPress.com stats helper monkeys prepared a 2012 annual report for this blog.

Here’s an excerpt:

600 people reached the top of Mt. Everest in 2012. This blog got about 2,500 views in 2012. If every person who reached the top of Mt. Everest viewed this blog, it would have taken 4 years to get that many views.

Click here to see the complete report.

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