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  ______   __   __   ______    __   __   _____    
 /_   _//  \ \\/ // |      \\  \ \\/ // |  __ \\  
 `-| |,-    \ ` //  |  --  //   \ ` //  | |  \ || 
   | ||      | ||   |  --  \\    | ||   | |__/ || 
   |_||      |_||   |______//    |_||   |_____//  
   `-`'      `-`'   `------`     `-`'    -----`

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Text this: The comparative lithium storage properties of urchin-like hematite spheres : hollow vs. solid