In a recent speech, Lawrence Summers, the president ofHarvard University, caused a controversy by suggesting thatthere may be fewer women mathematicians because women havedifferent brain structures than men. Although this speechraised the ire of feminists, it happens to be true:scientists now feel there are "male" and "female" brains,depending upon how muchtestosteroneyou were exposed to inthe womb. But here's the kicker: a man can have a "female"brain, and vice-versa. To find out what sex brain you have,take this BBCtest.You?ll need a ruler with metric measurements on it (whichmost plastic and wooden rulers have).
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