标签：时差 相关文章
On this Moment of Science Ya?l and Don discuss how parenting affects the brain. Ya?l : On today's Moment of Science--wait a sec, Don, do you mind if I call home real quick? Don: Now? In the middle of the show? Y: Well, I'm worried about the baby. I j
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A report from the Jing Chuan Child Safety Foundation reveals that Taiwanese children are three times more likely to drown than Australian children. The director of the foundation called on schools and parents to make swimming and water education a pr
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According to the famous song, American is beautiful for its spacious skies, purple mountains, and amber waves of grain. If you were to make a music video based on these lyrics you'd probably want mid to late summer images of fruit-laden trees and fie
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Mike: Hey, Amanda, have you heard of the new online computer game? It's called Skullfire and it's all the rage right now! Amanda: Actually, I have heard of it. Isn't that the game where you go around and just shoot people? It seems like a pretty poin
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Don has some pretty disgusting information for Ya?l on this Moment of Science. D: Today, it's time once again for another Gross Fact of the Month. Y: Uh oh! I hope no one's eating! D: Okay, ready? In a recent study of people passing through major U.S
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The word hectic is unknown on the East Frisian islands off the northern coast of Germany and that applies to the cosy isle of Spiekeroog. Guests that came here in 1846 described it as less noisy and luxurious than the other six islands. At first glan
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Our development of larger brains had much to do with our evolution as a species. But the question is, what fueled the development of those larger brains? The most popular theory among anthropologists is that we switched to an omnivorous diet. Our anc
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ANNCR: Project Head Start On today's Congressional Moment The Head Start program was one of ten federal programs established by Congress in The Economic Opportunity Act of 1964. Project Head Start was originally launched as an eightweek summer experi
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Local newspapers jumped on a story this week on the topic of Chinglish. Chinglish is not a new word. I heard it for the first time 30 years ago. At times Chinglish can be charming. At the wrong moment, however, Chinglish can annoy readers, and embarr
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Mike: Amanda, do you like my new look? I spent all weekend looking for clothes to match my new look and my new attitude. From now on, I'm a rebel without a cause and nobody gets in my way! Amanda: Hahaha... you look like someone who slaughtered a poo
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Amanda: Sorry I'm late, Mike－some slowpoke blocked my way going down the escalator and I just missed the subway train. I hate it when people take their sweet time and don't get out of the way! Arrrgggh!!! Mike: Yeah, I know exactly what you're talk
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On a previous Moment of Science we discussed one of the problems with turning yourself invisible. Sure, it sounds like fun. But a little physics showed us that the invisible man couldn't see anything either, because in order to see, light has to inte
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Last time we imagined a tunnel through the center of the earth. If such a thing existed, you could step into one end, fall all the way to the other side, and step out. Gravity would cause you to pick up almost exactly as much speed on the way down as
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Don: Yael, every day I grow closer to my goal of mind control. Yael: What do you mean, Don? D: Check out this study from Ohio State University that says nodding your head to signal approval and shaking your head to signal disapproval not only lets ot
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Ya?l: Hey Don, what's that? Don: It's a tomato I found! Don't you think it looks like Richard Nixon? I wonder why tomatoes and other fruits sometimes grow into such different shapes. Y: Scientists wonder about that too, and they are a step closer to
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Don: [WHISTLING A BIRDSONG-LIKE TUNE] Ya?l: Nice tune Don, but can you whistle with your tail like an Anna's hummingbird? D: Hummingbirds can whistle with their tails? Y: Male Anna's hummingbirds, which live along the west coast of North America, can
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E cigarettes are battery-powered tubes that look like real cigarettes. But instead of inhaling and getting a lungful of tobacco smoke, you basically suck in vaporized nicotine. According to companies that make e cigarettes, since theres no tobacco sm
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But measuring movement is actually pretty tricky. Any small mistake in the measured acceleration results in position errors that grow with time. So even if youre standing still and just rocking in place, a navigation computer relying solely on the IM
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Did you ever wonder why sugar dissolves in a cup of coffee? Why not have the sugar just float in the middle of the cup, without dissipating into the coffee? Its because of the way water molecules interact with molecules in other substances. A water m
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In 1928, Alexander Fleming was studying the bacterium, Staphylococcus, when some of the bacteria became contaminated with Penicillium fungus and stopped growing. Fleming decided that some chemical produced by the Penicillium fungus must be stopping t
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