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http://dsc.discovery.com/news/briefs/20060612/sperm_hea.html
I just had to post this.
Dicsovery Channel said:Study: Sperm Have Sense of Smell
By Jennifer Viegas, Discovery News
June 13, 2006 Like a man who whips his head around to follow a whiff of perfume, sperm cells turn their heads when they detect even the faintest of sexy female scents, according to a recent study.
The study determined some sperm cells can find ovarian scents even when the scents are diluted 100,000 times. The results were in line with prior research on chemotaxis, the process by which sperm "sniff" sex chemicals and orient themselves in response.
"Sperm have features that are similar to the human nose," said Milos Novotny, who co-led the study and is a professor of chemistry at Indiana University Bloomington.
Sperm cells possess olfactory receptor proteins, Novotny explained, similar to receptors in the nose. They are positioned over the sperms membrane, with "sniffers" on the outside and signaling proteins on the inside to relay information.
I just had to post this.