Feature
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MathElection Selection
By ignoring how voters might rank all the candidates in an election, the plurality system opens the floodgates to unsettling, paradoxical results when there are three or more candidates.
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AgricultureDowntown Fisheries?
Advances may make fish farming a healthy prospect, even for inner cities.
By Janet Raloff -
PlantsWhy Turn Red?
Why leaves turn red is a stranger question than why they turn yellow.
By Susan Milius -
PhysicsThe Physics of Fizz
Toasting a burst of discovery about bubbles in champagne and beer.
By Peter Weiss -
MathPrime Pursuit
A novel approach for identifying prime numbers provides a long-sought improvement in the theoretical efficiency of prime-detecting algorithms.
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MathChanges of Mathematical State
Untangling a web of conflicting demands can be tough on computers.
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Spreading Consciousness
A reanalysis of brain-imaging data links conscious visual experience to activity patterns throughout the brain, challenging the popular view that specific brain areas coordinate this mental state.
By Bruce Bower -
EarthShifting Sands
Sand dunes can provide scientists with clues about ancient patterns of wind and precipitation.
By Sid Perkins -
The Meaning of Life
Computers are unscrambling genomes to reveal the secrets in DNA codes.
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ChemistryHydrogen: The Next Generation
Researchers are looking for more sustainable ways to generate hydrogen, which burns cleanly but is typically made from fossil fuel.