含中文字幕节目   

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Modern smart phones are still seen as a curiosity in some parts of sub-Saharan Africa. Experts believe mobile internet service is an important tool for economic growth in places such as Ghana. Howeve...

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Culture. Book review. A biography of Bill Gates. Dollar Bill. Billionaire, Nerd, Saviour, King. By Anupreeta Das. "Americans appear to be growing increasingly uneasy about billionaires," observ...

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Only 34% of Americans are satisfied with how much they are paid at work. I wish there was like an exact guide of what you should be paid and what everyone else should be paid. There's j...

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[Music] Narrator: Soon after dark on April 23, 2019, a rural village in the Costa Rican rainforest found itself on the receiving end of one of the most important meteorite strikes in half a...

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But it was possible to use data transmitted from the damaged spacecraft to recreate the problems, and thus explore ways around them. The idea of using a purely digital model for engineering spread ...

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People greet each other in many ways. They might say “hello” in different languages. They might physically do something like shaking hands, giving hugs, or exchanging kisses. Elephants seem to have m...

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Here's a chart showing the prices of the world's most popular commodities like sugar, wheat and coffee. Prices have soared across the board, but one commodity stands out from the rest. ...

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- [Narrator] Orange juice made from Florida oranges might be disappearing from store shelves. This has sent frozen concentrate orange juice futures to record highs and led to thousands of ...