单词:central involution
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VOICE ONE: I'm Steve Ember. VOICE TWO: Charles Darwin And I'm Barbara Klein with EXPLORATIONS in VOA Special English. This month is the two hundredth anniversary of the birth of one of the most influential thinkers in science history. Charles Darwin
Sleep is very ancient. In the electroencephalographic sense we share it with all the primates and almost all the other mammals and birds: it may extend back as far as the reptiles. There is some evide
17.Evolution of sleep Sleep is very ancient. In the electroencephalographic sense we share it with all the primates and almost all the other mammals and birds: it may extend back as far as the reptiles. There is some evidence that the two types of sl
ECONOMICS REPORT - U.S. Central Banker Alan Greenspan Prepares to Retire By Mario Ritter Broadcast: Friday, November 18, 2005 I'm Steve Ember with the VOA Special English Economics Report. The chairma
EXPLORATIONS - The Evolution of Spacesuits STEVE EMBER: Im Steve Ember. SHIRLEY GRIFFITH: And Im Shirley Griffith with the VOA Special English program EXPLORATIONS. Today we tell about the special clothes astronauts wear that protect them while they
Explorations - Great Thinkers: Charles Darwin and Evolution STEVE EMBER: Welcome to Explorations, in VOA Special English. I'm Steve Ember. This week, Barbara Klein and I tell about one of the most influential thinkers in science history. Charles Darw
By Lisa Schlein Geneva 24 July 2007 The International Committee of the Red Cross is stepping up humanitarian operations for 100,000 displaced people in the Central African Republic. A Red Cross Official just back from the CAR tells VOA these people a
Central banks of the leading industrialized nations are working together to try to ease a financial crisis that originated in the United States but has roiled markets worldwide. From Washington, VOA's Michael Bowman reports. A Wall Street street sig
India's Central bank has hiked interest rates in a bid to tackle inflation which is at its highest rate in over a decade. But as Anjana Pasricha reports from New Delhi, there are fears the measure will slowdown growth in one of the world's fastest g
Book Chronicles Men's Evolution from Bread-Winners to Bread-Bakers With many mothers working outside the home, more fathers - such as New Yorker editor and cartoonist John Donohue - are cooking for their families. Donohue wanted to chronicle men's ro
Sense of Smell Jumpstarted Brain Evolution Mammals have much bigger brains than other animals. Scientists aren't sure exactly why, but new research published this week in the journal Science suggests it might have something to do with mammals' acute
'Man of Steel' Caps Superman's 70-year Evolution Superman's character rests on his dual nature. He was born as Kal-El on the planet Krypton, which was destroyed right after his parents launched him to Earth. Allusions to the story of Jesus are thread
Pill May Change Attraction In a study in the journal Trends in Ecology and Evolution, researchers note that the birth control pill may change a woman's choice in whom she finds attractive. Cynthia Graber reports Some people like to think theres somet
By Kari Barber Dakar 29 October 2007 A new World Conservation Union report says a large number of the world's endangered primates are at risk of extinction in West and Central African countries. Experts say hunting for bushmeat is threatening the ani
By Barbara Schoetzau New York 29 February 2008 The United Nations is asking for $32 million in immediate humanitarian aid for the Central African Republic (CAR). The UN's humanitarian coordinator, Toby Lanzer, says the aid will help stabilize a volat
By Navbahor Imamova Washington 16 November 2007 In most of Central Asia women are still struggling to find their place in the political arena. Despite the Soviet legacy of gender equality, women are still underrepresented in the highest levels of gov
By Barry Wood Washington 14 February 2008 In a rare joint appearance before a congressional committee Thursday, the U.S. treasury secretary and the head of the central bank said the U.S. economy has weakened but will probably avoid recession. VOA's B
LONDON, Jan. 16 (Xinhua) -- Two people were killed and another two were injured after a helicopter crashed into a construction crane near Wandsworth Road, south of River Thames in central London earlier on Wednesday. Two people confirmed dead at scen
By Michael Bowman Washington 13 August 2007 Stock markets in Europe and Asia posted gains Monday, while U.S. stock marketsfell slightly. VOA's Michael Bowman reports from Washington, investors appeared reassured after central banks added cash to comb
CHANGSHA, July 5 (Xinhua) -- A section of a highway running near a major river in central China's Hunan Province caved in early Thursday, engulfing a passing vehicle and killing at least one person aboard. The cave-in, near the Poly International Pla