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Pre-Intermediate 2024-05-18    
The History of Early American Indians, Part One

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The native peoples of North and South America came from Siberia thousands of years ago.There was a land bridge between Siberia and Alaska before the end of the last ice age.As the groups settled diffe...


British English 2024-05-18    
Hollywood Screenwriters' Strike, Part One

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One hundred years ago, the hills above Los Angeles got a facelift. A giant sign was erected to advertise a new property development. Its 13 letters, each 43 feet tall, spelled “Hollywoodland” (“...


Intermediate 2024-05-17    
Close Shave for Bill Nye the Science Guy, Part One

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Bill Nye: The other strange thing or surprising thing about many grinding operations is it’s the hard thing that breaks off and the substrate, that which holds in this case the whiskers,...


Video 2024-05-17    
Steve Palumbi and Megan Morikawa Study Coral Reef Damage in American Samoa

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SPEAKER: Coral reefs are one of the most spectacular ecosystems found in nature. Hosts to numerous biological communities, they are important havens of biodiversity. And a valua...


British English 2024-05-16    
What a Shortage of Adderall Means for Economic Growth, Part 2

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This changed when sugar imports from Britain’s colonies increased. Annual sugar consumption per person rose from around 5Ibs a year in 1700 to 20Ibs by 1800—several times higher than in continental E...


Pre-Intermediate 2024-05-16    
Lewis Pugh - Polar Bear Swimmer, Part Two

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Polar bears were one concern during Lewis’s swim. Another major difficulty was the water temperature. The water at the North Pole is salty. Salt water freezes at a lower temperature than fresh water. ...


Intermediate 2024-05-15    
Adam Rutherford's Creation Science, Part Eight

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Adam Rutherford: So much, much harder than we thought it was going to be. So, you know, we're doing this stuff, but it still, still really hard. And the second thing is the bug that the ended up...


Video 2024-05-15    
What Would Happen If Time Is an Illusion

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How do you distinguish between past present and future? Is there really an order to time? Does it only move forward? Does it move in any direction at all? Stop the clock, abandon all assumpti...


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