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A Road Connects Places
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Artificial Intelligence - robotics and machine evolution
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A Skyscraper Reaches Up
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Aston Martin
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8.5 |
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Astronomy, Astronauts, and Space Exploration
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6.9 |
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A Tower Stands Tall
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A Tunnel Runs Through
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ATVs and Off-roaders
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4.4 |
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Audio Engineering and the Science of Sound Waves
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6.8 |
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Autos de carrera: ¡Enciendan sus motores! (Racecars: Start your Engines!)
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3.8 |
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A Visit to Mars
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Awesome Algorithms and Creative Coding
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5.7 |
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Backhoes
|
NEW
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Baseball
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NEW
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Bicycles: Pedal Power
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Big Buses
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Big Construction Machines
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Big Farm Machines
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Big Tractors
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Big Trucks Bring Goods!
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Bikes
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NEW
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Biogeology
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Biomedical Engineering and Human Body Systems
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6.2 |
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Bionic Bodies
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6.1 |
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Canada
USA
