含中文字幕节目   

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(people cheering) - [Narrator] The defending champion US Women's Soccer team is going into their first World Cup since agreeing to share their prize money with the US Men's team. - It'...

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They are massive, and extremely dense. They rip apart anything and everything that gets close to them. We can't see black holes. But we know they have the destructive power to wipe everything...

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As well as concerns about impertinence, interest in gentility has surged for two reasons. The first is covid, which stopped folk interacting face-to-face. People started worrying that their soci...

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Charlotte has spent much of her life in captivity at a non-profit aquarium in North Carolina's Appalachian Mountains. She is an ocean animal called a round stingray. She is about 3,700 kilometers fro...

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(upbeat funky music) - When this plane flies, the only emission that comes out of its tailpipe is the same thing that's in this glass, water. It's because this plane is powered by a hyd...

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(pensive music) (water spraying) - Determining how you spray the airplane is different every time you spray an airplane. - [Narrator] This is Jim Decker, director of ramp operations for...

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A new study suggests that an asteroid strike by an American spacecraft likely changed the shape of the targeted object. NASA crashed the DART spacecraft into the asteroid Dimorphos in 2022. The aster...

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Culture. Rules of conduct. Manners maketh money. Etiquette training is a booming business. Acentury ago, Emily Post made manners popular. Her bestselling book, "Etiquette" (1922), framed the ...