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Smoking and Life Expectancy

The Question: What is the life expectancy of smokers vs. non-smokers? The Answer: It's hard to give a firm answer to that question, in part…

How Long To Mars?

The Question: How long would it take to land a manned spacecraft on Mars? The Answer: According to NASA, a vessel with humans on it would take roughly six months…

Who is an Indian?

No single federal or tribal criterion establishes a person's identity as an Indian. Tribal membership is determined by the enrollment…

Iraq War Casualties

Number of U.S. troops in Iraq at the end of 2007: 162,000 Number of casualties for 2007 U.S. troops (through Dec. 31): 901 Iraqi…

Iraq War Casualties

Number of U.S. troops in Iraq at the end of 2007: 162,000 Number of casualties for 2008 U.S. troops wounded (through Oct. 4): 30,072 Iraqi…

Iraq War Casualties

Number of U.S. troops in Iraq at the end of 2007: 162,000 Number of casualties for 2007 U.S. troops (through Dec. 31): 901 Iraqi…

Iraq War Casualties

This page provides information about the number of U.S. troops in Iraq, including how many were killed, as well as Iraqi casualties. Estimated number of U.S. troops in…

Iraq War Casualties

This page provides information about the number of U.S. troops in Iraq, including how many were killed, as well as Iraqi casualties. Estimated number of U.S. troops in…