This week, President Obama signed an expansion of federal law on hate crimes. Such laws provide more investigative resources or longer sentences, or both, for crimes driven by prejudice.
现金网开户:Short Story: ‘The Boarded Window’ by Ambrose Bierce2009-10-31
In eighteen thirty, only a few miles away from what is now the great city of Cincinnati, Ohio, lay a huge and almost endless forest.
现金网开户: Golden Orb Spiders Help Produce a Work of Art2009-10-30
Silk is a smooth, shiny and costly natural material. People usually get their silk supply from worms. But spiders make silk, too. In fact, their silk is even lighter and softer than silk from silkworms. But getting silk from a spider might seem more difficult. Especially from a big spider that can bite. Recently, two men in Madagascar proved it can be done with extraordinary results. Mario Ritter has more.
现金网开户:US Says Economy Grew 3.5 Percent in Third Quarter2009-10-30
Early estimates show that the United States economy began to grow again in July, August and September. The three-and-a-half percent growth was the first expansion in more than a year, and the strongest in two years.
该音频有LRC字幕,点击图片查看所有含有LRC字幕的现金网开户 现金网开户讲解附字幕:脑损伤检查可能为儿童带来风险2009-10-29
A concussion happens when the brain is shaken, often in a car crash or a fall or a strike to the head in sports. Concussions can be mild, but doctors may order a CT scan to look for a more serious injury. Computed tomography provides a detailed image of the brain. But a recent study warned that more children than necessary are being exposed to radiation this way.
现金网开户:American History Series: As the Civil War Grows, ...2009-10-29
The South was beginning to suffer from a lack of supplies and men for its armies. The North was beginning to suffer from a lack of fighting spirit.
该音频有LRC字幕,点击图片查看所有含有LRC字幕的现金网开户 现金网开户讲解附字幕:作物抵抗力增强,却出现新问题2009-10-28
Plant breeders and genetic engineers keep working to give crops the strength to resist threats like insects, diseases, droughts or floods.
People from almost all cultures throughout history have been making and wearing jewelry. Jewelry is valued for its visual quality, the richness of its materials and the expert way it is made. Since ancient times people have worn jewelry like rings, bracelets and necklaces to decorate their fingers, wrists and necks.
该音频有LRC字幕,点击图片查看所有含有LRC字幕的现金网开户 现金网开户讲解附字幕:寻找边缘土地利用方式2009-10-27
We have a question from Jonah Ojowu in Benue State, Nigeria, about a subject we have discussed in the past. Jonah is a postgraduate student in soil and water management at the University of Agriculture in Makurdi. He would like information about the management of marginal lands.
The warmest season in the Arctic Ocean could never be described as warm. Yet some sea ice in the Arctic melts each year during summer in the Northern Hemisphere. Then it freezes again in the winter. The total of sea ice is known as the sea ice extent. The ice is important because it helps keep the Arctic cold and reduces extremes in the Earth's climate.
现金网开户:Words and Their Stories: Losing It2009-10-25
Tom Smith is the best hitter on his company's baseball team. For weeks during the playing season, Tom hit a home run in every game the team played. But then suddenly he stopped hitting home runs. He could not hit the baseball at all.
现金网开户:Charles Schulz,1922-2000:He wrote the ...2009-10-25
Charles Schulz drew Peanuts for fifty years. The comic strip first appeared in seven American newspapers in nineteen fifty. At that time, the subjects were all children and animals. They still are. People love these characters because they demonstrate the failings and strengths of all human beings. For example, Charlie Brown usually cannot get things right. But he tries his best. And he never stops trying.
该音频有LRC字幕,点击图片查看所有含有LRC字幕的现金网开户 现金网开户讲解附字幕:关注武装冲突中女性遭遇的暴力2009-10-24
On September twenty-eighth, security forces attacked unarmed pro-democracy demonstrators in Conakry, the capital of Guinea. Protesters were shot, beaten and stabbed. Human rights groups and witnesses say at least one hundred fifty-seven people were killed, a number disputed by the military government. But in addition to the killings, human rights groups say a similar number of female protesters were raped.
该音频有LRC字幕,点击图片查看所有含有LRC字幕的现金网开户 现金网开户讲解附字幕:美国天然气勘探新观2009-10-23
Many people think the search for cleaner energy leads only to renewable resources like sun, wind and water. But it also leads to a fossil fuel. Natural gas is considered the cleanest of the fossil fuels, the fuels created by plant and animal remains over millions of years.
The Hope Diamond is one of the largest and most famous jewels in the world. For fifty years, it has been in the collection of the Smithsonian's National Museum of Natural History in Washington, D.C. To mark this anniversary, the museum is showing the forty-five carat blue diamond for the first time without its usual setting. Visitors can now see the Hope Diamond in all its natural beauty. Barbara Klein has more.
Two years of a bitter, bloody civil war started to show their effects on both the Confederate states of the South and the Union states of the North. Both sides began to feel the pressure of the costly struggle. The South, however, felt the pressure more severely, because it was weaker in troop strength and industrial strength.
该音频有LRC字幕,点击图片查看所有含有LRC字幕的现金网开户 现金网开户讲解附字幕:大学指引帮助学生避免薄弱教育2009-10-22
A new college guide in the United States compares educational requirements in seven subjects. These include math, science, writing and United States history or government. The other subjects are economics, foreign language and literature.
One showed that adults are much more cooperative if they work in a system based on rewards. Researchers at Harvard University in the United States and the Stockholm School of Economics in Sweden did the study.
One tall bowl with a wide opening is made from black cherry wood. It is so perfectly formed it is hard to believe it is handmade. How did Phil Brown make this bowl? We will answer this question as we explore the many artistic traditions of wood.
该音频有LRC字幕,点击图片查看所有含有LRC字幕的现金网开户 现金网开户:Learning the Secrets of the Potato, and an Enemy2009-10-20
Potatoes are one of the world's leading food crops. But potato breeders currently spend ten to twelve years developing new kinds. Now they will be able to locate genes for any desired trait, improving quality, nutritional value and disease resistance.
现金网开户:Aspirin Research Keeps Giving New Life to an...2009-10-20
People have known since ancient times that aspirin can reduce pain and high body temperature. But that is not all the drug can do. It has gained important new uses in recent years. Low amounts may help prevent health threats from stroke to heart attack. Recently, researchers reported that aspirin could help patients with one kind of cancer live longer.
现金网开户:A Musical History of the Rock and Roll Hall of Fame2009-10-19
That was Aretha Franklin with her nineteen sixty-seven hit "Respect." The Queen of Soul was the first woman to be honored in the Rock and Roll Hall of Fame. That was in nineteen eighty-seven, a year after the first induction ceremony, which took place at a hotel in New York.
该音频有LRC字幕,点击图片查看所有含有LRC字幕的现金网开户 现金网开户讲解附字幕:报告呼吁关注数百万早产儿2009-10-19
Each year millions of babies are born too soon and too small. Premature or preterm births are defined as births at less than thirty-seven weeks.
Betty Friedan is often called "the mother of the modern women's liberation movement." Her famous book, "The Feminine Mystique," changed America. Some people say it changed the world. It has been called one of the most influential nonfiction books of the twentieth century.
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