Discuss: Why Do I See Stars when I Stand?

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Offline thedoc

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Discuss: Why Do I See Stars when I Stand?
« on: 19/06/2012 19:45:38 »
Why does a head injury, or standing up too quickly, make us "see stars"?  Are slug pellets painful? How do flies fly in an elevator?  We take on  your science questions this week, and find out why we should let food  ferment, what makes batteries get hot and if the strings in string  theory are real.  Plus, a new drive to improve science education, new  vistas for Voyager 1 and new veins from stem cells.
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« Last Edit: 19/06/2012 19:45:38 by _system »