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2.The Carbon-Eating Concrete That’s Reducing Emissions By 70%

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3.Relive Your Childhood at the ‘Museum of Play’

2:42

4.Ethiopia’s Tech Queen Is Educating the Next Generation

2:04

5.The Role of a Lifetime: Playing the Same Character for 60 Years

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6.Vehicular Vengeance: The Origin of Lamborghini

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7.Turning 200 Plastic Bags Into a Bluetooth Speaker

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8.How One Man Built His Own Spacesuit

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9.Racing With an Olympic Speed Skater

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10.Man-Made Lava for Explosive Experiments

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11.The Hunt for ‘The Hobbit’s’ Missing Hero

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12.Building the World’s Largest Telescope

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13.Bike, Hike, Dive for Science

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14.How Alan Alda Is Helping Scientists Translate Jargon

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15.These People are Proving Plastic Waste Can Be Recycled

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16.The Road to Invention

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17.Blink and You Crush It: The Fast and Furious World of Robot Sumo

3:39

18.Taking on Turtle Egg Poaching With Hollywood Decoys

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19.The Ocean's Nightlight

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20.The Sustainable Homes of Bogotá

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21.How Superman Busted The KKK

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22.How Sustainability Is Bringing Architecture Back Down to Earth

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23.Sculpting a Future for E-Waste

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24.Blowing Up Stereotypes With a Chemistry Professor

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25.This Amateur Physicist Built a Fusion Reactor in His Backyard