Old Articles: <Older 221230 Newer> 

Science News November 12, 2005 Ivars Peterson 
Ranking College Football Teams If you aren't happy with where your team stands in the national rankings, two scientists have developed a novel ranking scheme based on the mathematics of networks. 
Science News November 5, 2005 Ivars Peterson 
Climbing a Watery Slope Research by mathematicians involving the meniscusclimbing actions of waterwalking insects sheds new light on fluid dynamics. 
Financial Planning November 1, 2005 Craig L. Israelsen 
Ways of Means Committee There's a critical difference between arithmetic and geometric means when calculating average annualized return. As the standard deviation (or volatility) of annual returns increases, the arithmetic mean grows larger than (and therefore, further away from) the correct geometric mean. 
Science News October 29, 2005 Ivars Peterson 
AskaFriend Marketplaces How much incentive is required for a member of a social network to have a reasonable probability of extracting an answer to a query from the network? Here's the mathematical response. 
Science News October 22, 2005 
Misleading Numbers The "Number Watch" Web site focuses on "misleading" numbers that appear in the media and are often used to promote specific causes. 
Science News October 1, 2005 Ivars Peterson 
Numbers of No Escape Why do such mathemagical black holes occur? In general, processes that turn large inputs into significantly smaller outputs can quickly reduce even an infinite universe of starting points to a manageable, finite set of cases. 
Science News September 24, 2005 
Math Music An interactive Web site, developed at Eastern Washington University, provides variety of tools for composing music based on mathematical recipes that convert sequences of numbers  such as pi, or Fibonacci numbers  into sounds. 
BioIT World September 2005 Stephen Langdell 
Data Mining and the Euredit Project The multimilliondollar, EUfunded research project on statistical methods for data mining, is creating interesting possibilities for many bioinformatics endeavors, including microarray analysis and forecasting trends. 
Technology Research News September 19, 2005 
Two Schools of Cryptography Hard numbers vs. uncertainty: Computationally secure methods use cryptographic keys that are answers to difficulttosolve mathematical problems. Probabilistically secure methods use cryptographic keys chosen at random from a fast source of random signals. 
Science News September 17, 2005 Ivars Peterson 
A Mathemusical Potpourri Are you curious about the sound of pi? What sort of tune is the Dow Jones Industrial Average singing today? How does redwood DNA translate into an environmental symphony? A new computer program and Web site allows you to find out. 
<Older 221230 Newer> Return to current articles. 