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http://www.popsci.com/science/article/2011-03/tissue-engineer-prints-replacement-kidney-onstage-ted-2011

In a TED conference (the people Mr. Stephens loves so much) a tissue engineer printed out a human kidney live during the conference. Since it's this easy, hopefully people with damaged organs won't have to wait much longer for factory-made versions of whatever they need.

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http://www.popsci.com/science/article/2011-03/video-new-microscope-produces-3-d-movies-live-cells-action-microscopy-milestone

This is really really really cool. A fancy new microscope makes 3-D movies of cells, showing every little complex operation inside the cell.

Strings in python

This week in computer science I studied strings. These are needed to do almost everything, from returning calculation results to receiving input from the user. Being python, conversion from other data types to the string data type is very easy.

for loops and while loops

This week in computer science i studied for loops and while loops in python. These allow the programmer to repeat a set of commands for as long as you want. They have an infinite number of applications and are one of the core techniques of programming. As with everything else in python, the syntax required for these loops is extremely simple, making learning them easy.