Genetics & Environmental Business Week
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Autism
Worms take the sniff test to reveal sex differences in brain
November 22nd, 2007
Buttery popcorn or fresh green vegetables' Your answer tells a lot about you. Now, scientists say that the way that thousands of tiny worms have answered that question likely reveals a lot about you and your brain, too. In the experiment at the University of Rochester Medical Center, worms that are hermaphrodites (with characteristics of both females and males) went for the buttery smell, while the males – the other of the two sexes in these worms – opted for the scent of fresh vegetables. But when researchers tricked a few nerve cells in hermaphrodites into sensing that they were in a male worm, suddenly they too preferred the smell of fresh...
Source: Genetics & Environmental Business Week (2007-11-22)
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