Math
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Numbers: Science news of the year, 2008
Science News writers and editors looked back at the past year's stories and selected a handful as the year's most interesting and important in Numbers. Follow hotlinks to the full, original stories.
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The happiness virus
Two studies apply social networking ideas to data from health studies of thousands of people, and suggest different interpretations of how contagious happiness or other experiences can be.
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Traveler’s Dilemma: When it’s smart to be dumb
Some game theory paradoxes can be resolved by assuming that people adopt multiple personae, and aren’t rational.
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The influence of influence in Prisoner’s Dilemma
Cooperation wins out over betrayal when successful prisoners recruit followers.
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Florence Nightingale: The passionate statistician
Florence Nightingale pioneered the use of applied statistics to develop policy and developed novel ways of displaying them.
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How to (really) trust a mathematical proof
Mathematicians develop computer proof-checking systems in order to realize long-sought dreams of fully precise, accurate mathematics.
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Book Review: The Princeton Companion to Mathematics, Timothy Gowers, ed
Review by Tom Siegfried.
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Unknotting knot theory
New techniques are beginning to unravel the mysteries of knots, revealing a great mathematical superstructure in the process.
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A frustrating view of complexity
The unifying theme of complex systems, a researcher argues, is frustration.
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