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General Science / Mathematics news 1234

Linking low frequency hearing to the cochlea's curvature

April 25, 2008 | User rating: 4.6 / 5 after 12 vote(s) | No comments yet

Shape matters, even in hearing. Specifically, it is the shape of the cochlea — the snail-shell-shaped organ in the inner ear that converts sound waves into nerve impulses that the brain deciphers — which proves ...


Concrete examples don't help students learn math, study finds

April 24, 2008 | User rating: 4.4 / 5 after 32 vote(s) | User comments: 4

A new study challenges the common practice in many classrooms of teaching mathematical concepts by using “real-world,” concrete examples. Researchers led by Jennifer Kaminski, researcher scientist at Ohio State University’s ...


The new shape of music: Music has its own geometry, researchers find

April 17, 2008 | User rating: 4.5 / 5 after 124 vote(s) | User comments: 11

The connection between music and mathematics has fascinated scholars for centuries. More than 200 years ago Pythagoras reportedly discovered that pleasing musical intervals could be described using simple ...


Mathematician foresees romps for Major League Baseball's American League in 2008

March 31, 2008 | User rating: 4.1 / 5 after 15 vote(s) | No comments yet

NJIT’s indefatigable math professor Bruce Bukiet is once again opining on outcomes for this season’s Major League Baseball teams. His picks are based on a mathematical model he developed in 2000. His goal is two-fold.


Self-organization of sandpile models

March 31, 2008 | User rating: not shown ( 4 vote(s) ) | No comments yet

Dutch mathematician Anne Fey has investigated probability calculations in mathematical sandpile models. Although the rules of the model are simple, the wide-ranging behaviour that emerges from these is fascinating. Fey's ...


Mathematicians find new solutions to an ancient puzzle

March 14, 2008 | User rating: 4.6 / 5 after 80 vote(s) | User comments: 5

Many people find complex math puzzling, including some mathematicians. Recently, mathematician Daniel J. Madden and retired physicist, Lee W. Jacobi, found solutions to a puzzle that has been around for centuries.


Could a mathematical model predict the demise of a business?

March 14, 2008 | User rating: 4.5 / 5 after 21 vote(s) | No comments yet

Many gamblers claim to have a "system", whether they're shooting craps, backing horses, or punting on the stock market. Now, researchers in Taiwan have devised an approach to spotting when a company is likely to fail based ...


Glimpses of a new (mathematical) world

March 13, 2008 | User rating: 4.5 / 5 after 70 vote(s) | User comments: 8

A new mathematical object was revealed yesterday during a lecture at the American Institute of Mathematics (AIM). Two researchers from the University of Bristol exhibited the first example of a third degree transcendental ...


Algorithm finds the network -- for genes or the Internet

March 12, 2008 | User rating: 4.7 / 5 after 26 vote(s) | No comments yet

Human diseases and social networks seem to have little in common. However, at the crux of these two lies a network, communities within the network, and farther even, substructures of the communities. In a ...


140-year-old math problem solved by researcher

March 03, 2008 | User rating: 4.6 / 5 after 87 vote(s) | User comments: 2

A problem which has defeated mathematicians for almost 140 years has been solved by a researcher at Imperial College London.


Brown mathematicians prove new way to build a better estimate

February 29, 2008 | User rating: 4.6 / 5 after 44 vote(s) | No comments yet

How do you sift through hundreds of billions of bits of information and make accurate inferences from such gargantuan sets of data? Brown University mathematician Charles “Chip” Lawrence and graduate student Luis Carvalho ...


New method ranks quality of scientific journals by field

February 27, 2008 | User rating: 4.1 / 5 after 13 vote(s) | User comments: 1

Worldwide, the number of scientists is increasing as is the number of scientific journals and published papers, the latter two thanks in large part to the rise of electronic publishing. Scientists and other researchers are ...


In the race to the top, zigzagging is more efficient than a straight line

February 20, 2008 | User rating: 3.7 / 5 after 12 vote(s) | User comments: 1

A straight line may be the shortest distance between two points, but it isn’t necessarily the fastest or easiest path to follow.


Novel mathematical model predicts new wave of drug-resistant HIV infections in San Francisco

February 17, 2008 | User rating: 4.2 / 5 after 9 vote(s) | User comments: 2

A mathematical model shows that a new wave of drug-resistant HIV is rising among among men in San Francisco who have sex with men and that this trend will continue over the next few years, according to a new study from the ...


Brain waves pattern themselves after rhythms of nature

February 15, 2008 | User rating: 4.2 / 5 after 35 vote(s) | User comments: 4

The same rules of physics that govern molecules as they condense from gas to liquid, or freeze from liquid to solid, also apply to the activity patterns of neurons in the human brain. University of Chicago ...


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