单词:eriozona nigroscutellata
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Idled Atom-Smasher Yielding Data Months After Shutdown The Tevatron Accelerator at the U.S. government's Fermi National Laboratory in suburban Chicago once led the world in studying what happens when subatomic particles are thrown together at nearly
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Mercury Fillings Seem Safer over Time A study in the journal Chemical Research in Toxicology finds that mercury on the surface of dental fillings slowly turns to an inert sulfide compound, which should keep the mercury from harming the nervous system
图片1 图片2 by Jason Marshall A few articles ago, I asked if you ever found yourself at restaurants fumbling to figure out how much to tip; I guessed that you might occasionally resort to seeking advice from your smart phone; and I told you that
HEALTH REPORT – December 11, 2002: Mercury Levels in Fish By George Grow This is the VOA Special English Health Report. Two studies are adding to the debate about the health risks of eating fish con
By Jim Bertel Washington, D.C. 16 January 2006 watch Comedy movie report A Hollywood star has a new movie that is as serious as it is funny. VOA's Jim Bertel reports Albert Brooks delivers laughs with
By Steve Schy Detroit, Michigan 03 February 2006 watch Super Bowl Ads report The National Football League's annual championship game - the Super Bowl - is Sunday. More than 130 million people are expe
By Brian Wagner Caracas 07 January 2008 Venezuela has launched a new currency aimed, in part, at curbing high inflation rates in the oil-producing nation. Prices have risen in Venezuela due to soaring consumer demand, creating shortages of milk, suga
By Lisa Schlein Geneva 20 November 2006 U.N. Secretary-General Kofi Annan is urging nations to do more to combat biological weapons, and to create global safeguards to keep them out of terrorist hands. Kofi Annan at a review conference on Biological
Polls have closed in Algeria where some opposition parties boycotted presidential balloting because electoral laws were changed to allow Abdelaziz Bouteflika to run for a third term. Meanwhile, two police officers were injured in a bomb blast outsid
Nigeria's Religious Leaders Work to Stop Violence Kaduna, much like the Nigerian state itself, is divided into a mainly Muslim north and a predominantly Christian south. In April 2011, post-election riots in Kaduna state descended into religious viol
President Barack Obama says America's economy is in crisis but can be repaired. America's 44th president struck a determined, but pragmatic tone, on economic matters in his inaugural address. President Barack Obama delivers his inaugural address at
By Melinda Smith Washington 16 September 2009 Part 1 of VOA's 5-part series on Health Care The American health care system has been called one of the best and worst in the world. Many experts say it is certainly the most expensive, costing $2.5 tril
By Nina-Maria Potts Paris, France 14 April 2006 watch French Riots report Following the rioting by disadvantaged young people in France last fall, the French government tried to institute a law making
By Alisha Ryu Nairobi 11 January 2007 In Ethiopia, former communist dictator Mengistu Haile Mariam has been sentenced to life in prison on genocide charges and other crimes committed during his brutal 17-year-long rule. But as VOA Correspondent Alis
Many aspects, like its geological past, are a mystery. But some things we do know, this lonely planet has a strange sense of keeping time. Once you arrive, you have to reset your watch for a time zone like no other. It has such an unusual orbit and r
After Messenger's 3 fly-bys, we've now mapped more than 90% of the planet. Taken from around 124 miles, these images are the clearest to date of Mercury. And it's not hard to spot a crater of epic proportions, the result of yet another Titanic collis
Reason/ you are going to go to Mercury as a travel destination would be this night sight view because it's going to be highly unique in the solar system. You have sodium thats atoms that are streaming off and giving enough to see yellow light, so you
And its here in a freezer that Messenger will encounter another puzzle: can ice exist on a planet so close to the sun? It's only when the first radar observations to the surface of Mercury were obtained back in the 90s that it was discovered that Mer
By Jim Malone Washington 11 July 2006 Opposition Democrats hope to seize control of one or both chambers of the U.S. Congress in the November mid-term elections, in large part because of voter dismay over the situation in Iraq. In the first of a two