Wednesday, September 7, 2011

Question: What do chimps have that we don't ?

Answer: 510 strands of DNA and a penis spine. (But we have Viagra.)

http://chronicle.com/article/How-Our-Brains-Got-BigOur/128878/?sid=at&utm_source=at&utm_medium=en

Image: africa / FreeDigitalPhotos.net

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