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Politics : Just the Facts, Ma'am: A Compendium of Liberal Fiction -- Ignore unavailable to you. Want to Upgrade?

To: average joe who wrote (44234)	1/9/2006 11:31:17 AM
From: one_less	Read Replies (1) \| Respond to of 90947

snip...Scientists at Syracuse University, recently describing for a British journal their study of body measurements of bats, found an inverse size relationship between a male bat's brain and testicles. The researchers hypothesized that both sperm and brains are metabolically costly to produce, and in species with relatively stable monogamous relationships, brains are allowed to grow, but where females are promiscuous, males that do not overdevelop testicles get left out of the race to procreate. [News Limited (Sydney) (News.com.au), 12-7-05]