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    Some more truth from James Altucher: the only people who make money on Wall Street are the long term holders who start companies, funds that charge fees, the high frequency traders, members of Congress trading on insider information, and a lot of hedge funds who will do pretty much anything to get access to insider information: I know from personal experience. Wall Street is perhaps the only place where you can make more money by working less.


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    Photo Credit: Purpose To learn about sources of high-energy radiation and calculate student exposure to ionizing radiation over the past year.

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    My host teacher introduced me to these amazing astronomy simulations and activities during my student teaching experience and I have been using them ever since.

    Instead, neural stem cells can generate new specialized neurons by differentiating into neuroblasts that, upon migration to a specific area, can turn into a neuron. Neural stem cells, like all stem cells, may sit around for long periods of time before they generate a neuroblast.

    In the 1960’s, scientists had the first indication that neurons might be generated in an adult rodent brain but it wasn’t until the 1990’s that scientists discovered the neural stem cells and the generation of neurons in the adult rodent brain.

    They “fire” electric and chemical signals when the potential difference across their cell membrane reaches a critical voltage.

    Unlike other body cells, neurons don’t undergo mitosis (cell splitting).

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