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Science News October 9, 2004 Ivars Peterson 
Randomness, Risk, and Financial Markets Approximate entropy, a novel measure used to determine the irregularity of a sequence of numbers, can be applied to stock market performance... Puzzle of the Week... 
Technology Research News October 6, 2004 Eric Smalley 
Quantum math models speech Researchers at King's College London and Phonologica Ltd. are using mathematical tools from quantum physics that could lead to improved telecommunications, speech recognition and speech synthesis technologies. 
Technology Research News October 6, 2004 Kimberly Patch 
Page layout drives Web search A system that analyzes content at the level of blocks of information on a page, rather than the coarser pagelevel, could eventually lead to more accurate search engines. The technique could be ready for commercial use in a general search engine within two years. 
Science News September 4, 2004 
A Lewis Carroll Scrapbook An scrapbook kept by Charles Lutwidge Dodgson, a.k.a. Lewis Carroll, a lecturer in mathematics at the University of Oxford, is now available online, offering a timeline of Dodgson's life and other supporting materials. 
Science News August 28, 2004 Ivars Peterson 
More Progressive Primes In July, Markus Frind, Paul Jobling, and Paul Underwood announced that they had discovered the first sequence consisting of 23 prime numbers in arithmetic progression. This surpasses the previous record of 22 primes in arithmetic progression, set in 1993. 
Science News August 21, 2004 Ivars Peterson 
Floating Bodies Archimedes' ancient facination inspired a mathematician from the University of Pennsylvania to compute all possible floating positions (both stable and unstable) of a paraboloid for all possible shapes and densities... Puzzle of the Week... 
Science News August 14, 2004 
Women in Mathematics From Maria Gaetana Agnesi to LaiSang Young, these Web pages provide biographies of prominent women in mathematics. 
Science News July 24, 2004 Ivars Peterson 
Math Olympiad in Athens This year, as Athens prepared for the latest edition of the Olympic Games, the Hellenic Mathematical Society hosted the 45th International Mathematical Olympiad (IMO). 
Science News July 17, 2004 Ivars Peterson 
Waring Experiments The different ways of expressing whole numbers as sums of parts has long fascinated both professional and amateur mathematicians. 
BioIT World July 14, 2004 Bill Van Etten 
R Is Ready to Rumble This BioTeam consultant shares some lessons learned after using several R packages, which stand between Excel and commercial data analysis packages, for microarray analysis. 
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