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2012-09-20
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2012-09-19
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458,006 views
2012-09-17
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2012-09-13
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2012-09-12
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2012-09-11
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499,173 views
2012-09-10
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1,659,300 views
2012-09-06
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147,073 views
2012-09-04
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639,690 views
2012-08-31
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109,794 views
2012-08-27
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799,664 views
2012-08-23
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1,897,693 views
2012-08-20
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245,167 views
2012-08-16
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1,385,013 views
2012-08-13
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541,882 views
2012-08-09
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3,558,717 views
2012-08-06
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114,778 views
2012-07-30
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2,041,425 views
2012-07-23
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2012-07-16
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441,292 views
2012-07-09
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1,259,808 views
2012-07-02
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4,043,039 views
2012-06-26
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2,230,053 views
2012-06-18
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7,111,013 views
2012-06-04
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281,227 views
2012-05-29
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1,573,867 views
2012-05-21
How Life Begins in the Deep Ocean
350,374 views
2012-05-14
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1,641,773 views
2012-05-07
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2,303,904 views
2012-05-04
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418,393 views
2012-04-25
Sex Determination: More Complicated Than You Thought
4,503,875 views
2012-04-23
Exponential growth: How folding paper can get you to the Moon
6,305,018 views
2012-04-19
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7,621,450 views
2012-04-16
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427,321 views
2012-04-10
The Secret Life of Plankton
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2012-04-02
The Real Origin of the Franchise - Sir Harold Evans
217,958 views
2012-03-26
Poetic Stickup: Put the Financial Aid in the Bag
303,369 views
2012-03-21
Questions No One Knows the Answers to (Full Version)
29,154,322 views
2012-03-17
Symbiosis: A surprising tale of species cooperation - David Gonzales
365,620 views
2012-03-14
How simple ideas lead to scientific discoveries
3,080,359 views
2012-03-13
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73,078 views
2012-03-12
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1,145,740 views
2012-03-12
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519,295 views
2012-03-12
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549,823 views
2012-03-12
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1,175,871 views
2012-03-12
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3,418,327 views
2012-03-12