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Read what Visions CNN.com users have for the future.
SPACE
Vatican guides future astronomers
NASA urged to test for life on Mars
Technology
Gates: Get ready for chip implants
'Is fusion the best way forward?'
Environment
Carbon emissions threaten sea life
Straw-based fuel to drive G8
Science
Science's great questions revealed
Superstring theory eclipses Einstein
Visionaries
Theodore Zeldin on achieving happiness
Dean Kamen on getting our cities moving
Jakob Nielsen on where we will be living
Will Hutton on work-life balancing acts
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