01:30Can you see the grey box? Sensory adaptation explained by Kit Yates #sciencedemo #optical #sensory
The Royal Institution
This is the VOA Special English Education Report, from http://voaspecialenglish.com Americans are considering national education standards recently developed by teachers and other education experts. The National Governors Association and the Council of Chief State School Officers led the effort. The United States, unlike other nations, has never had the same school standards across the country. The reason? Education is not discussed in the Constitution. That document limits the responsibilities of the federal government. Other responsibilities, like education, fall to the individual states. Local control of education probably was a good idea two hundred years ago. People stayed in the same place and schools knew what students needed to learn. But today, people move to different cities. And some people work at jobs that did not exist even twenty years ago. Many American educators say that getting a good education should not depend on where you live. They say that some states have lowered their standards in order to increase student scores on tests required by the No Child Left Behind Act. Kara Schlosser is communications director for the Council of Chief State School Officers. She says the new standards clearly state what a student should be able to do to be successful in college and work. The standards deal with language and mathematics in every grade from kindergarten through high school. For example, in first grade, students should be asking and answe
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