The latest news from science and technology.

Science, technology, and life.
Dec. 2 2005 11:29 AM

Gizzards in Your Gas Tank

And other news from science and technology.

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A UNICEF report says 130 million women have endured female genital mutilation. Previous estimates said 2 million girls were mutilated each year; the new estimate is 3 million each year. But the increase is due to better reporting, and the trend actually seems to be going down: In Egypt and Guinea, where nearly all women aged 15-49 have had FGM, only half of these women said their daughters have had it.

A genetic mutation correlates with antisocial behavior in kids with ADHD. In a six-year sample of 240 ADHD kids, "Early-onset antisocial behavior" was "predicted by a specific COMT gene variant" even after accounting for IQ, age, and sex.

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Latest Human Nature columns: 1) The pope's antigay tendencies. 2) The overconfidence of stem-cell liberals. 3) Pat Robertson vs. the pope on intelligent design. 4) Does Alito treat women like girls? 5) Monty Python's flying creationism. 6) Two breakthroughs in the stem-cell war. 7) Bill Bennett's racial determinism. 8) The mainstreaming of anal sex.