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Science News August 23, 2003 Ivars Peterson 
SET Math The card game known as SET is deceptively simple. Invented in 1974 by population geneticist Marsha Jean Falco, the game has become a popular, even addictive pastime for both children and adults. It has also attracted mathematical attention. 
PC Magazine September 2, 2003 Barry Simon 
Mathematica 5.0 Adds Up Exactly 15 years after Mathematica's initial release, Wolfram Research has released Mathematica 5.0. 
Science News August 9, 2003 Ivars Peterson 
Running Lanes and Extra Steps When going out to your local running track for a workout, you sometimes find that you are allowed to use only certain lanes for training. On a standard quadrant track, however, the outer lanes are longer than the inner lanes. That presents a problem for someone using the track for speed workouts. 
Science News July 26, 2003 Ivars Peterson 
Perfect Pyramids A group of tetrahedra that some people consider special consists of those that have integer edge lengths, face areas, and volumes. Such a solid is sometimes called a Heronian tetrahedron or a perfect pyramid. 
Wired August 2003 Tom McNichol 
Totally Random How two math geeks with a lava lamp and a webcam are about to unleash chaos on the Internet. 
Science News July 12, 2003 Ivars Peterson 
Improving the Odds in RISK RISK is a classic board game of global conquest. First published in 1959, this war game remains popular and continues to attract mathematical attention. Recent analyses reveal that the chances of winning a battle are considerably more favorable for the attacker. 
Science News July 5, 2003 Ivars Peterson 
Alphamagic Squares Magic squares have fascinated people for thousands of years. They consist of a set of whole numbers arranged in a square so that the sum of the numbers is the same in each row, in each column, and along each diagonal. A twist on the concept, the alphamagic square, is interesting, too. 
Science News June 28, 2003 Ivars Peterson 
Theorems in Wheat Fields The architects of certain crop circles near Stonehenge seem to show an uncanny facility with Euclidean geometry. 
Science News June 21, 2003 Ivars Peterson 
PrimeTime Cicadas The fact that periodical cicadas emerge after a prime number of years could be just a coincidence. Or it might reflect some sort of evolutionary pressure that leads to primenumber cycles. 
Science News June 7, 2003 Ivars Peterson 
A Dog, a Ball, and Calculus Mathematician Timothy J. Pennings of Hope College in Holland, Mich., posits that his dog, fetching a ball thrown into a lake, appears to compute the optimal path to his target in much the same way that a mathematician would using calculus. 
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