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Science News
October 13, 2007
Julie J. Rehmeyer |
Math Trek: A Tangled Tale A jostled string forms knots quickly and there is an entire branch of mathematics devoted to understanding the formation of these knots.   |
Science News
February 22, 2003
Ivars Peterson |
The Tangled Task of Distinguishing Knots Unlike a knotted piece of rope, a mathematical knot has no free ends. In this context, a knot is a one-dimensional curve that winds through itself in three-dimensional space, finally catching its tail to form a closed loop. |
Science News
October 31, 2008
Julie Rehmeyer |
Unknotting Knot Theory New techniques are beginning to unravel the mysteries of knots, revealing a great mathematical superstructure in the process |
Science News
October 14, 2006
Ivars Peterson |
Knots in Proteins Knotted proteins are rare, but more than just random occurrences. The secret of spontaneous knotting lies in the mathematics of self-avoiding random walks. |
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. |
Sports Central
June 30, 2006
Piet Van Leer |
World Cup: England vs. Portugal The British are back in the quarterfinals for the second straight World Cup, and this time they will be looking to exact a measure of revenge against the Portuguese, who knocked them out of the quarterfinals in the 2004 European Championships. |
