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03:10 Science & Technology Where does the smell of rain come from? Lesson duration 03:10 Manage Library 804,096 Views
03:51 Earth and Space Science How your split ends can help clean oil spills Lesson duration 03:51 Manage Library 2,774,448 Views
04:26 Science & Technology What is the coldest thing in the world? Lesson duration 04:26 Manage Library 1,451,408 Views
03:32 Earth and Space Science Does aloe vera really treat a sunburn? Lesson duration 03:32 Manage Library 398,486 Views
03:37 Science & Technology Can we survive the sun's death? Lesson duration 03:37 Manage Library 5,508,465 Views
05:10 Science & Technology Why don’t poisonous animals poison themselves? Lesson duration 05:10 Manage Library 2,567,204 Views
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02:48 Science & Technology Why do some people hate cilantro? Lesson duration 02:48 Manage Library 86,358 Views
04:46 Life Sciences What do food expiration dates actually mean? Lesson duration 04:46 Manage Library 265,353 Views
07:38 Environmental Science What can we learn from insect cribs? Lesson duration 07:38 Manage Library 83,147 Views
05:32 Social Studies How one scientist averted a national health crisis Lesson duration 05:32 Manage Library 1,923,301 Views
04:52 Science & Technology What would it be like to live on the moon? Lesson duration 04:52 Manage Library 511,922 Views
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06:10 Science & Technology The journey to Pluto, the farthest world ever explored Lesson duration 06:10 Manage Library 3,159,556 Views
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05:07 Science & Technology When will the next ice age happen? Lesson duration 05:07 Manage Library 1,708,137 Views
08:43 Science & Technology Time: the history & future of everything Lesson duration 08:43 Manage Library 10,243,507 Views
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04:51 Science & Technology Which is stronger: Glue or tape? Lesson duration 04:51 Manage Library 14,030,575 Views
