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SSS 2009-09-25

Every year, millions of monarch butterflies fly thousands of miles to alight in one specific forest in Mexico. How do they know what direction to flutter? Scientists had thought that an insect GPS system in their brains steered them in the right dire

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Antennae Key to Butterfly Navigation A study in the journal Science shows that monarch butterflies' sun-related directional sensing is governed by antennae, not the brain. Cynthia Graber reports Every year, millions of monarch butterflies fly thousan

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China Releases HD Satellite Images

On June 6, China published the first batch of photos captured by Gaofen-1, China's first high-definition earth observation satellite. Those pictures will provide valuable information of natural condition and disaster prevention. Li Dong has the detai

2015-07-01 BBC:巨石阵行动:被埋藏的秘密-3

The most ambitious of these studies is the Stonehenge Hidden Landscapes Project, led by experts from Birmingham University And Ludwig Boltzmann Institute in Austria.-As people walk over the Stonehenge landscape, they are aware of Stonehenge. They may

60秒科学:Mice Sensing Leptin Stave Off Diabetes

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雅思阅读词汇：探索太空生命(5)

plateau n. （上升后的）稳定水平（或时期、状态） plug n.塞子 pockmarked adj.有麻点的 polar adj.两极的 pole n.极 porous adj.多孔渗水的 portable adj.轻便的 pose v.形成

NE China to set up two drone bases for marine surveillance

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美国国家公共电台 NPR Some Mortgage Deals Are In Limbo As Government Shutdown Drags On

RACHEL MARTIN, HOST: It's Day 21 of the partial federal government shutdown, and it's causing big financial concerns for hundreds of thousands of people who aren't getting paychecks today. Here's one example. Some furloughed workers can't refinance t

美国国家公共电台 NPR Financially Struggling Government Workers Are Caught Up In Shutdown

DAVID GREENE, HOST: We are now into day seven of a partial shutdown of the federal government. Government employees are still getting paid for work they did before the shutdown, but the checks will soon be stopping. Among the 800,000 people to be aff

美国国家公共电台 NPR How The Partial Government Shutdown Could Affect You

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美国国家公共电台 NPR Shutdown Makes Government Websites More Vulnerable To Hackers, Experts Say

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美国国家公共电台 NPR As Shutdown Crawls On, Artists And Nonprofits Fear For Their 'Fragile Industry'

ARI SHAPIRO, HOST: The partial government shutdown is making more people anxious every day, including those in the arts. Theaters, dance companies, symphony orchestras, nonprofit arts organizations worry about the impact on themselves and their audie

美国国家公共电台 NPR Not Out To Lunch: Businesses That Rely On Federal Workers Suffer The Shutdown

Not Out To Lunch: Businesses That Rely On Federal Workers Suffer The Shutdown MICHEL MARTIN, HOST: We're going to talk a bit more about the partial shutdown of the federal government, which is entering its third week. We've talked earlier this hour a

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And the final thing is, again just to reiterate that there's this practical part, 最后，只是再一次重申，这个研究的实际应用方面， and so we've made these anti-quorum sensing molecules that are being developed as new kinds of the

TED演讲：细菌是怎样交流的(6)

Why this is interesting is because in the past decade we have found that this is not just some anomaly of this ridiculous, 这个发现之所以有趣，是因为在过去十年间，我们发现这种现象不只局限在这种古怪的、 glow-in-t

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