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2012-11-12
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2012-10-02
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6,714,834 views
2012-10-01
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687,838 views
2012-09-27
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3,023,759 views
2012-09-26
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2012-09-25
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1,616,404 views
2012-09-24
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2,272,180 views
2012-09-19
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474,264 views
2012-09-17
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567,847 views
2012-09-13
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1,037,576 views
2012-09-12
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503,419 views
2012-09-10
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640,661 views
2012-08-31
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815,824 views
2012-08-23
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2,003,029 views
2012-08-20
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250,375 views
2012-08-16
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1,397,342 views
2012-08-13
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558,984 views
2012-08-09
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3,575,656 views
2012-08-06
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2012-07-23
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662,887 views
2012-07-16
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4,077,452 views
2012-06-26
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1,578,734 views
2012-05-21
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351,610 views
2012-05-14
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1,712,516 views
2012-05-07
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2012-04-25
Sex Determination: More Complicated Than You Thought
4,526,047 views
2012-04-23
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2012-04-19
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2012-04-16
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219,802 views
2012-03-26
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373,978 views
2012-03-14
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3,090,811 views
2012-03-13
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73,544 views
2012-03-12
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1,147,583 views
2012-03-12
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522,329 views
2012-03-12
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1,186,308 views
2012-03-12
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3,426,609 views
2012-03-12
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1,934,368 views
2012-03-12