19.childrens numerical skills people appear to born to compute. The numerical skills of children develop so early and so inexorably that it is easy to imagine an internal clock of mathematical maturity guiding their growth. Not long after learning to...
The political rhetoric is heating up in Washington as President Barack Obama increases pressure on Congress to pass a stimulus bill that he believes will help turnaround the flagging U.S. economy. Mr. Obama's formidable political skills are being pu...
Dear Editor,I live in Paris,France.In my country there is a famous site,called the Chauvet Caves.I am very worried about it because some of the cave paintings have been destroyed by air pollution.No,the pollution does not come from cars or factories,...
