The National Geographic Magazine, Volume 210, Issues 4-6National Geographic Society., 2006 - Geography |
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Page 7
... brain . Her first perma- nent molars had not yet erupted , indicating an age of about three ; her brain volume was 330 cc - in the same range as a three - year- old chimp's and far smaller than a human's at the same tooth stage ( below ) ...
... brain . Her first perma- nent molars had not yet erupted , indicating an age of about three ; her brain volume was 330 cc - in the same range as a three - year- old chimp's and far smaller than a human's at the same tooth stage ( below ) ...
Page 101
... brain cells and uproot axons , the rapid - fire , telephone wire - like tubes that connect brain cells . This effectively wrecks neural circuitry . Concussive forces may also rupture blood vessels in or around the brain , producing ...
... brain cells and uproot axons , the rapid - fire , telephone wire - like tubes that connect brain cells . This effectively wrecks neural circuitry . Concussive forces may also rupture blood vessels in or around the brain , producing ...
Page 104
... brain injury , called a concussion , the brain usu- ally regains normal function quickly . When it cannot self - repair , the brain sometimes rewires , routing signals along new channels , across its backup networks of axons . There are ...
... brain injury , called a concussion , the brain usu- ally regains normal function quickly . When it cannot self - repair , the brain sometimes rewires , routing signals along new channels , across its backup networks of axons . There are ...
Contents
George Schaller | 32 |
Pollution Within 116 Modern chemistry keeps insects from ravaging crops lifts stains | 120 |
COVER A coalburning power plant clouds the sky over Utahs Glen Canyon | 173 |
Copyright | |
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