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Intermediate 2025-06-27    
How Orange Juice Became More Expensive Than Ever, Part 1

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Orange production in the United States has plummeted, especially in Florida, where orange harvests have dropped 90% between 2005 and 2023. At the same time, orange juice prices are reaching re...


Video 2025-06-27    
Behind the $800 Million Girl Scout Cookie Empire

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- [Narrator] This is First Lady Grace Coolidge 100 years ago on the White House lawn. She's holding a Girl Scout Cookie. And this is Tula in 2023. She's 11 and has been a Girl Scout for ...


British English 2025-06-26    
New Product will Boost the Energy Density of Li-ion Batteries, Part 2

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Thus far, innovation on inactive components has mostly focused on shrinking them down, so that more electrode material can fit in the cell. But these long overlooked parts are the cool kids now, sa...


Pre-Intermediate 2025-06-26    
Climate Change Affects Traditional Spearfishing

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Cold nights, on Chippewa Flowage, a lake in the state of Wisconsin, do not stop 15-year-old Gabe Bisonette. He has been learning spearfishing, a tradition of the Ojibwe Native American tribe, for a lo...


Intermediate 2025-06-25    
Why U.S. Consumers Feel So Broke

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This chart shows consumers' confidence in the economy during the Biden and Trump administrations. As of June 2024, confidence in the economy under President Biden averaged nearly 28 points low...


Video 2025-06-25    
Curiosity Gets a Gravimeter to Measure Rock Density

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The Curiosity rover is truly an interplanetary swiss army knife— equipped with a slew of onboard instruments for investigating the Red Planet. The primary mission was two years, so we'r...


British English 2025-06-24    
New Product will Boost the Energy Density of Li-ion Batteries, Part 1

Keywords:

In their quest to build a better battery, researchers have blazed a trail through the elements of the periodic table. The earliest prototype cells ran on nickel and cadmium; successors have used ev...


Pre-Intermediate 2025-06-24    
Cows, Pigs Face Carbon Tax in Denmark

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Denmark will tax farm animals such as cattle and pigs for releasing methane, a kind of greenhouse gas, starting in 2030. Some scientists think that greenhouse gases trap heat in the Earth’s atmospher...


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