Column

  1. Math

    Kidney Matchmaking

    A mathematical optimization strategy for pairing patients who need kidneys with willing donors could increase the number and quality of transplants.

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  2. Computing

    Squashing Worms

    Defeating computer worms that mutate will take some smart defense strategies.

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  3. Math

    Calculating the Word Spurt

    Mathematics, not brain development, explains why toddlers begin to pick up words quickly after a slow start.

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  4. Math

    Cracking the Cube

    A combination of mathematical analysis and supercomputer number-crunching proves that any Rubik's Cube can be solved in 26 moves or fewer.

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  5. Computing

    Cloudy Crystal Balls

    Computer programs that model climate may be so complex that global warming predictions will never settle on a single, definitive answer.

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  6. Math

    A Twist on the Möbius Band

    The twisted, single-sided loop known as a Möbius band, when made from a stiff material such as paper, takes on a complicated shape that researchers have finally calculated.

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  7. Math

    Math as a Civil Right

    A longtime activist in the civil rights movement now teaches that mathematical literacy is the key to full participation in the country's economy.

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  8. Math

    Free Choice + Punishment = Cooperation

    In a computer simulation of a multi-player game, cheaters didn't prosper when other participants could choose not to play.

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  9. Math

    Sudoku and Graph Theory

    Solving sudoku puzzles may not require mathematics, but mathematicians have found plenty to say about the popular brainteasers.

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  10. Math

    A Golden Sales Pitch

    A design incorporating the golden ratio makes blue jeans aesthetically pleasing, or so the manufacturer claims.

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  11. Math

    Summing Up Literature

    Statistical analyses of literary texts provide new insights about novels.

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  12. Math

    Summing Up Literature

    Statistical analyses of literary texts provide new insights about novels.

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