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If matter falls down, does antimatter fall up?
lesson duration 02:55
623,197 views
Who speaks Wukchumni? A vanishing Native American language
lesson duration 09:28
62,236 views
Cloudy climate change: How clouds affect Earth's temperature
lesson duration 06:40
169,575 views
How cosmic rays help us understand the universe
lesson duration 04:40
156,310 views
What is the Heisenberg Uncertainty Principle?
lesson duration 04:44
4,298,189 views
Particles and waves: The central mystery of quantum mechanics
lesson duration 04:52
906,601 views
Two objects. Same room. Two different temperatures?
lesson duration 03:59
3,707,981 views
Making a TED-Ed Lesson: Bringing a pop-up book to life
lesson duration 06:13
2,409,501 views
Why does smoked brisket taste so delicious?
lesson duration 07:42
544,876 views
The effects of earthquakes in California vs China
lesson duration 01:28
369,705 views
Corruption, wealth and beauty: The history of the Venetian gondola
lesson duration 04:51
540,627 views
How much food can you buy for $5 around the world?
lesson duration 01:44
8,303,650 views
