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04:54 Design, Engineering & Technology Why the @#$% is there so much traffic? Lesson duration 04:54 581,022 Views
05:26 Science & Technology What happens if you cut down all of a city's trees? Lesson duration 05:26 2,575,125 Views
02:33 Earth and Space Science Where did Earth's water come from? Lesson duration 02:33 8,219,215 Views
03:04 Science & Technology Why don't we throw trash in volcanoes? Lesson duration 03:04 1,830,173 Views
05:06 Science & Technology Vultures: The acid-puking, plague-busting heroes of the ecosystem Lesson duration 05:06 1,507,364 Views
05:19 Earth and Space Science Mating frenzies, sperm hoards, and brood raids: The life of a fire ant queen Lesson duration 05:19 5,268,597 Views
15:39 Earth and Space Science Why I invited a million people beneath a disappearing glacier - Joe Hanson Lesson duration 15:39 61,840 Views
05:38 Earth and Space Science Hawking's black hole paradox explained Lesson duration 05:38 3,783,622 Views
05:31 Earth and Space Science The dust bunnies that built our planet Lesson duration 05:31 250,039 Views
05:20 Earth and Space Science What if all the sea water became fresh water? Lesson duration 05:20 5,544,459 Views
05:16 Mathematics The high-stakes race to make quantum computers work Lesson duration 05:16 402,346 Views
04:20 Social Studies The Romans flooded the Colosseum for sea battles Lesson duration 04:20 996,337 Views
05:17 Science & Technology There may be extraterrestrial life in our solar system Lesson duration 05:17 524,632 Views
