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499,728 views
2014-02-25
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3,079,321 views
2014-02-20
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2,115,475 views
2014-02-18
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4,288,254 views
2014-02-13
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1,058,031 views
2014-02-10
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863,922 views
2014-02-03
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4,190,512 views
2014-01-30
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1,061,163 views
2014-01-23
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24,706,823 views
2014-01-16
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1,568,254 views
2014-01-13
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7,704,159 views
2014-01-09
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16,793,574 views
2014-01-07
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953,791 views
2014-01-06
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3,114,003 views
2014-01-02
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1,682,201 views
2013-12-19
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524,905 views
2013-12-17
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445,823 views
2013-12-16
The death of the universe
1,322,560 views
2013-12-12
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347,434 views
2013-12-10
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1,501,141 views
2013-12-09
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205,326 views
2013-12-05
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702,629 views
2013-12-03
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12,470,893 views
2013-12-02
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411,713 views
2013-11-11
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2,386,430 views
2013-11-07
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112,457 views
2013-10-31
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3,782,555 views
2013-10-29
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8,826,071 views
2013-10-28
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1,024,008 views
2013-10-24
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1,834,182 views
2013-10-22
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321,897 views
2013-10-17
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1,162,635 views
2013-10-15
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1,232,740 views
2013-10-10
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1,606,490 views
2013-10-08
How art can help you analyze - Amy E. Herman
1,054,697 views
2013-10-04
Speech acts: Constative and performative - Colleen Glenney Boggs
207,673 views
2013-10-03
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3,015,015 views
2013-10-01
Kabuki: The people's dramatic art - Amanda Mattes
1,032,962 views
2013-09-30
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2,913,876 views
2013-09-26
Light waves, visible and invisible
1,038,515 views
2013-09-19
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254,331 views
2013-09-17
Urbanization and the future of cities - Vance Kite
2,635,917 views
2013-09-12
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1,917,338 views
2013-09-10
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1,804,764 views
2013-09-09
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483,702 views
2013-09-05
The moon illusion - Andrew Vanden Heuvel
781,467 views
2013-09-03
Why do Americans and Canadians celebrate Labor Day? -Kenneth C. Davis
590,346 views
2013-08-30
Four ways to understand the Earth's age - Joshua M. Sneideman
681,521 views
2013-08-29