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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
Last time we talked about how astronauts eat and drink under weightless conditions in space. Today we'll cover the next question kids love to ask-how do astronauts go to the bathroom in space? It may sound silly, but it's really a good question, beca
It may sound silly, but its really a good question, because weightlessness does make a visit to the latrine a tricky proposition. Weightlessness poses two main problems in the bathroom. The first is that an astronaut could drift away from the bowl at
Questions Remain on Ebola Waste Disposal 埃博拉的废物处理费问题 Ebola is contracted by coming into contact with the bodily fluids of an infected person. Health workers wear spacesuit-like protective gear when treating patients. But researc
Disposing of waste 废物处理 A: How do you dispose of the waste in your factory? A:你们如何处理工厂废物? B: We try to recycle as much as we can. B:我们尽可能对其进行再循环利用。 A:What about the rest? How do you get rid
摇滚:Allison Iraheta - Don't Waste the Pretty 相关介绍:首单Friday Ill Be Over U足以让人震撼于今年美偶新锐女将的风采.JIVE唱片公司的CEO兼主席Barry Weiss在接受采访时说:她强有力的嗓音,积极进取的态度