单词:uncertainty ellipse
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This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute Happy New Year! And dont feel bad about taking today off. After all, youve traveled far. And Im not talking about the trip home from the party last night. According to N
Uncertainty spreads through our lives so thoroughly that it dominates our language. Our everyday speech is made up in large part of words like probably, many, soon, great, little. What do these words mean? Atomic war, declared a recent editorial in t
By Peter Heinlein Shimelba Refugee Camp, Northern Ethiopia 31 October 2007 Rising tensions between Ethiopia and Eritrea have led to an increasing flow of refugees across their common frontier. A border war between the Horn of Africa neighbors from 19
By Mil Arcega Washington 21 August 2007 The Dow Jones Industrial Average managed a modest gain of 42 points Monday after fluctuating between gains and losses at the start of the trading week. Despite rallying Friday after the U.S. Federal Reserve ann
Uncertainty Lingers Over Bahrain Economy Fragile stability appears to be returning to Bahrain following anti-government protests that recently brought the Persian Gulf kingdom to a standstill. However, analysts say economic uncertainty is likely to l
New Director of Johnson Space Center Faces Cutbacks, Uncertainty When the U.S. space shuttle was still flying, the Johnson Space Center in Houston was a busy place. But now, all the shuttles are in museums and the Johnson Space Center has laid off hu
SCOTT SIMON, HOST: Right now, the Affordable Care Act is still the law of the land. It gave some Americans the comfort to start their own businesses because they didn't have to worry about keeping a job just for the health insurance. But this week's
RACHEL MARTIN, HOST: Donald Trump has taken aim at the intelligence community. He's also targeted immigrants. Protesters are going to converge on Washington D.C. this weekend for a rally about immigrants' rights. Trump has pledged to deport millions
GUY RAZ, HOST: On the show today, the Spirit of Inquiry, why the question is often more important than the answer and what happens when one question leads to another? KEVIN JONES: That's how every medical interview that I have with a patient begins -
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By Luis Ramirez Bangkok 24 December 2007 Supporters of Thailand's ousted Prime Minister Thaksin Shinawatra say they have enough support to form a coalition government, one day after winning a majority of seats in the country's new parliament. The ele
By Scott Bobb Johannesburg 20 December 2007 Zimbabwe ended 2007 with uncertainty looming over national elections scheduled for next year. Negotiations aimed at holding a free and fair vote had made progress, but remained deadlocked over key points. S
By Barry Wood Mitrovica, Kosovo 10 August 2007 Mitrovica is the second largest city in Kosovo and the only place in the mostly ethnically Albanian province where minority Serbs comprise a sizeable urban presence. VOA's Barry Wood visited Mitrovica, a
By Ron Corben Bangkok 16 January 2007 Thai worker stands next to a sign calling for increased minimum wage in Thailand (File photo) Political and policy uncertainties cloud the economic outlook for Thailand this year. As Ron Corben reports from Bangk
By Peta Thornycroft Harare 18 February 2008 There is growing uncertainty in Zimbabwe as politicians and analysts realize that President Robert Mugabe is likely to face a run off after the March 29 elections. For VOA, Peta Thornycroft in Harare report
Tonight the moon looks bigger and brighter than usual. It is a Super Moon. Actually it is a full moon but also a perigree moon when it is the closest to the Earth during its orbit. These two events are happening together tonight. It last happened Mar
Suicide bombings have risen sharply in Pakistan and Afghanistan in the past year, even in the capital cities. Embassies, hotels, military convoys, and markets have been among the targets of attacks. As VOA Correspondent Gary Thomas reports, lacklust
Members of Israel's ruling, centrist Kadima party will head to the polls Wednesday to pick a new leader to replace Prime Minister Ehud Olmert. VOA's Luis Ramirez reports from Jerusalem. Israeli Prime Minister Ehud Olmert, who is under investigation
Two men leave a booth at a polling station in Kiev, Ukraine, 7 Feb 2010. Ukrainians voted Sunday in a runoff election between two bitterly opposed presidential candidates, a vote that some observers predict could be settled in the courts.(AP Photo/Ef
For One Ohio Town, Trump's Trade Policies Bring Uncertainty And Hope STEVE INSKEEP, HOST: This story takes us to the shores of Lake Erie - to Ashtabula, Ohio, a port city with access to Canada and beyond through the Great Lakes and the St. Lawrence S