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Twenty years ago this week, President George H.W. Bush signed the Americans with Disabilities Act, or ADA. It mandates minimum standards for the inclusion of the disabled in public buildings, the workplace and other areas. An anniversary celebration
This is Scientific American's 60-Second Science. I am Karen Hopkin. This'll just take a minute. As you probably know, viruses can jump from animals to people, we've gotten flu from birds and pigs, and HIV, the virus that causes AIDS, is thought to ha
bedizen, [bi'diz(ə)n] v 把装饰得过分华丽而俗气;穿着俗丽 【记】bed床
By Cathy Majtenyi Burundi 16 May 2006 The tiny African Great Lakes nation of Burundi is the latest on the continent to institute free primary school education, which began last September following mor
The European Union says manipulating a benchmark interest rate in London should be a criminal offense. The EU called Wednesday for its 27 member states to set criminal penalties for rigging interest rates to affect the LIBOR [London Interbank Offered