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Most recent columns
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Bring on the money - Premium content
Selling space trips and adverts may be the brightest way to keep the space station afloat, suggests Mark Peplow.
30 September 2005
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Time travellers snub conference - Premium content
A graduate student has just held a much-publicized meeting for time travellers. Sadly no one arrived from the future, although someone did show up in a DeLorean. Mark Peplow asks whether the notion of time travel is a dead issue.
11 May 2005
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Do you believe in life on Mars? - Premium content
Among planetary scientists, the tide is turning, says Mark Peplow.
8 March 2005
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