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September 26, 2004

Two Types of Sperm

Just the text of this clip alone is bound to give me some good search traffic.

Japanese men's sperm comes in 2 types
Japanese men's sperm concentration changes seasonally and is categorized in two types according to the season when it becomes more concentrated, research jointly conducted by two universities revealed. [via Medical News Today]

Posted by snooze at September 26, 2004 8:37 PM