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The northeast just had its first big snow of the season. Meanwhile, on Titan, it was foggy. That weather report brought to you by researchers publishing in the journal Astrophysical Journal Letters. The scientists found that Titan, Saturns largest mo

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William Boynton is professor of planetary sciences at the University of Arizona. And he's dedicated his life to looking for water on Mars. The link between life and water is very strong. Even here in

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SCIENCE IN THE NEWS - All About Fireflies and Possible Liquid Water on Mars CHRISTOPHER CRUISE: This is SCIENCE IN THE NEWS, in VOA Special English. Im Christopher Cruise. BOB DOUGHTY: And Im Bob Doughty. Today, we tell about evidence of liquid water

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Cluster balloonists tie a bunch of helium balloons to a lawn chair, sit in the chair, cut the anchor rope, and go flying into the wild blue yonder. To land, they cut some of the cords attaching the balloons to the chair. A small group of daredevils h

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发表于:2018-12-13 / 阅读(280) / 评论(0)

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SSS 2011-02-17

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Usually, we trust common sense to solve problems. Is a runny mixture too thick? Add some fluid. Thatll make it runnier. Except when the fluid makes it th

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But there was something even better. Odyssey may not just have found ice. There may also be liquid water, and that means, there could be living creatures there too. Right now, there might be liquid wa

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The US Environmental Protection Agency lists stormwater as the primary cause of water pollution in the United States. Roads, shopping centers and housing developments are generally seen as enhancing a community's quality of life. But they can also di

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This is the VOA Special English Development Report. Dye can bring a little color to life. Most clothing is colored with dyes. Modern, manufactured dyes can be costly. Natural dyes from plant and animal products have been used since ancient times. So

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French fries are delicious. French fries with ketchup are a little slice of heaven. 我们都知道炸薯条很好吃，再配上番茄酱简直就是人间美味。 The problem is it's basically impossible to pour exactly the right amount. 但问题是

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Lesson 35 Getting up Steam 第35课蒸汽往上冒！ Do you want to know what steam is? Let us get a lump of ice, or a snow-ball, and place it in a saucer in a warm room. It soon melts, and then the saucer is half full of water. If we leave the sau

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