Sun, 14 Mar 2010 05:00:00 GMT |  Penicillin was the first antibiotic agent successfully used to treat bacterial infections in humans. Penicillin's effect on bacteria was first observed by biologist Alexander Fleming in 1928, but it was not until 1941 that scientists purified the substance and established that it was both effective in fighting infectious organisms and not toxic to humans. The first successful treatment occurred the next year. Where did scientists find the mold that allowed them to mass produce the drug? Discuss
| | | Sat, 13 Mar 2010 05:00:00 GMT |  Operation Northwoods was a plan proposed by the US Department of Defense to generate public support for military action against the Cuban government of Fidel Castro. To this end, it recommended staging acts of simulated or real terrorism and violence on US soil or against US interests and then placing the blame on Cuba. The plan, which was not implemented, was drafted by senior US defense leaders and signed by the chairman of the Joint Chiefs of Staff. Who made the secret document public?
| | | Fri, 12 Mar 2010 05:00:00 GMT |  In the early stages of the Cold War, US President Harry Truman sought to protect Turkey and Greece from falling under Soviet influence when the UK announced that it could no longer provide them with aid. The Truman Doctrine, which called for the US to "support free peoples who are resisting attempted subjugation by armed minorities or by outside pressures," shifted US foreign policy to a strategy of Soviet containment. How much money did Congress appropriate in response to Truman's message?
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