More from Jeff Hecht
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Science: Radar echoes reveal ice continents on Titan
News
Threat dims from Soviet laser weapons
News
Hungry for power in space: A modern satellite uses less energy than an electric fire – Future space missions and the weapons of star wars will need the generating capacity of a small power station
Features
Science: Severe climate made central Pangaea uninhabitable
News
Software Review: Plate juggling
Books & Arts
Science: The missing link between stars and planets
News
Lasers making light work
Inside Science
Forum: Preparing for disaster
Science: Missing mass goes missing from dwarf galaxies
News
Bomb-makers search for the fast road to fusion
News
Technology
American defence fears trigger television drama
Features