Google Doodle 02-19-2013: Copernicus' Heliocentric Model

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I'm always in awe with the galaxy (not the smartphone but all the heavenly bodies) system. How each planet revolves around the sun (I have an emo post about it too). But enough about me.

On today's Google Doodle, we celebrate Nicolaus Copernicus 540th birthday. The Italian astronomer who formulated the Heliocentric Model wherein the sun as the center of the universe, not the earth as previously assumed and claimed. 

Google Doodle 02-07-2013: Mary Leakey

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Mary Leakey was a British archaeologist and anthropologist, who discovered the first fossilized Proconsul skull, an extinct ape now believed to be ancestral to humans, and also discovered the robust Zinjanthropus skull at Olduvai Gorge.

Source: Wiki