All for Education
Source: :http://unesdoc.unesco.org/images/0012/001221/122102Eo.pdf Page53-56
“Within one linear centimeter of your lower colon there lives and works more bacteria (about 100 billion) than all humans who have ever been born. Yet many people continue to assert that it is we who are in charge of the world.”
Comment on "I am Neil deGrasse Tyson -- AMA", March 01, 2012 http://www.reddit.com/r/IAmA/comments/qccer/i_am_neil_degrasse_tyson_ask_me_anything/c3wguoh,
2010s
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Neil deGrasse Tyson 89
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