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New Words 8B @ panic n. [sing.] a sudden strong feeling of fear or worry 恐慌;惊慌 @ v. have a sudden strong feeling of fear or worry, or make sb. do this (使)惊慌 @ radical a. 1. thorough and complete 彻底的;根本的 @ 2. in favor
EXPLORATIONS - Scientists Call for Quieter Ships to Protect Whales BARBARA KLEIN: Im Barbara Klein. STEVE EMBER: And Im Steve Ember with EXPLORATIONS in VOA Special English. Our subject today is whales. We discuss a report on the effect of noise from
Health Report - A Way to Make New Eggs in Women? 健康报道 - 产生新卵子的新途径 This is the VOA Special English Health Report. 这里是美国之音慢速英语健康报道。 New research could raise hope for women who are having trouble
From the Belly of a Beast 抹香鲸与龙涎香 There she blows!there she blows! A hump like a snow-hill! It is Moby Dick! From Moby Dick, by Herman Melville 牠喷气了!牠喷气了!身体浮出水面的部分看起来像被白雪覆盖的山丘,
His name is Moby and for now this rehabilitation tank in Galveston is the stranded infant whale's only home and care-givers like Heidi Watts are his only family. Because he is so tiny and hasn't learned any survival skills for the wild, he unfortuna
Can I tell you, I love my Pantene Pro-V. Of the dozen or so personal care products I use every day, it's the one I can't live without. Says it gives my dull hair the ultimate cool shine. How does it do that? I was wondering that while I was lathering
试管狗崽挽救濒危品种 These playful puppies are part of litter of seven, born July 10, out of 19 embryos implanted in the same female dog. Five are beagles and two are beagle-cocker spaniel mixes. 7月10日,一窝狗崽出生,研究人员将
The impact of a famine being captured by the genes in the eggs and sperm, and a memory of this event was being carried forward to affect the grandchildren, generations later. We are changing the view
By Carol Pearson Washington 25 May 2007 Women who do not want children, and those who do, are both getting new help. The U.S. government has approved a birth control pill that eliminates menstrual cycles, and it also has approved a product to help wo
Popular Weed Killer Stirs Health, Environmental Concerns Jamie Jamison produces corn, wheat and soybeans on his 500-hectare farm. To boost production, he uses genetically modified seeds. To control weeds, he uses Atrazine. It gives us good long-seaso
Global Infertility Rates Generally Hold Steady The World Health Organization says infertility rates around the world have remained relatively stable since 1990. Almost 50 million couples worldwide were unable to have a child after five years of tryin
BBC news. The UN special envoy to Syria says he's satisfied there's been a significant drop in the level of fighting since introduction of a temporary ceasefire on Monday. Staffan de Mistura said he hoped aid deliveries would start very soon and the
Over the last year, beekeepers in the U.S. lost nearly half their honeybee hives. And there are a lot of suspected culprits for this so-called beepocalypsefrom parasitic mites, to viruses, to simple land use changes. But a study out earlier this year
Just below the Arctic Circle in northern Sweden sits a town called ?verkalix. Its home to only about a thousand people. But those inhabitants were the subject of a seminal study in human genetics. The research suggests it that what our parents, or ev
Why are there males and females? Why are there two sexes instead of three, or twelve, or one? On todayss Moment of Science we'll learn why two is the magic number. Let's start with why there is sex at all. When two organisms reproduce sexually, sperm
By Carol Pearson Washington, DC 13 September 2006 watch Older Father report Studies show older mothers are more likely to have children with Down Syndrome and other abnormalities. Now new research suggests children of older fathers are also at risk
A baby bird in California has made history after becoming the worlds first penguin to be conceived using artificial insemination. The unnamed female Magellanic penguin was hatched in May at SeaWorld California after sperm was frozen and then thawed.
In October of 2000, biologists on a research boat off the coast of Chile happened upon what seemed to be a group of sleeping whales. The sperm whales were completely still and hanging vertically in the water with their noses up toward the surface, an
Another sexual difference among mammals that doesnt hold with other animals is size. In most mammals the male is larger than the female, but in most other animals where there are two distinct sexes, the female is the larger one. Today scientists defi
In mammals, the sex of a baby is determined by the combination of chromosomes it inherits from its parents. Nearly every cell in a male body has two different sex chromosomesone is shaped like an X and one is shaped like a Y. Females also have two se