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The wind tunnel tests are using small-scale models of the crew capsule and launch vehicles. Following NASA Administrator Mike Griffin's announcement of the vehicles' basic architecture in September 2005, NASA released a "call for improvements" for the Crew Exploration Vehicle, a 5-metre-long crew capsule that Griffin has dubbed "Apollo on steroids".
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The panel does not rule out further research into new nuclear technologies and pursuing answers to the waste problem, as future technological developments may justify a re-examination of the issue. But the report concludes that Britain can meet its energy needs without nuclear power.
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In the new study, researchers specifically tested whether caffeine in coffee could promote heart problems by examining a gene called CYP1A2. The gene, which codes for an enzyme that helps to break down caffeine, comes in two flavours: one version, known as CYP1A2*1F, metabolizes caffeine more slowly than the other.