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Science News
September 28, 2002
Ivars Peterson |
Stepping Beyond Fibonacci Numbers Trying variants of a simple mathematical rule that yields interesting results can lead to additional discoveries and curiosities.   |
Science News
June 3, 2006
Ivars Peterson |
Fibonacci's Missing Flowers The number of petals that a flower has isn't always a Fibonacci number. You have to be careful when you're building mathematical models of natural phenomena. |
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. |
Science News
April 6, 2002
Ivars Peterson |
The EKG Sequence Sequences of numbers have long fascinated both amateur and professional mathematicians. Here's a recently discovered example that has prompted some serious mathematical investigation... |
Reason
August 2002
Charles Paul Freund |
DNA Dough-Re-Mi A pretty girl may be like a melody, but the music of her DNA could have biotech companies whistling all the way to the bank. An executive at Maxygen, a California biotech firm, has suggested that if DNA sequences were converted to digital music they could be copyrighted as works of art. |
Science News
May 17, 2003
Ivars Peterson |
Sequence Puzzles Neil A.J. Sloane of AT&T Shannon Labs in Florham Park, N.J., has been collecting number sequences ever since he was a graduate student at Cornell University in the 1960s. |
Science News
November 4, 2006
Ivars Peterson |
Designer Decimals Fractions can yield amazingly familiar decimal expansions. |
Reactive Reports
Apr/May 2005
David Bradley |
At Last, the Structure of DNA Researchers have made a significant advance in our understanding of life's main molecule, using X-ray crystallography to determine the three-dimensional structures of nearly all the possible sequences of a macromolecule. |
Science News
March 12, 2005
Ivars Peterson |
Fibonacci's Other Numbers Generalized Fibonacci arrays have attractive properties and could provide a wealth of further activities for exploration... Puzzle of the Week... |
Science News
January 4, 2003
Ivars Peterson |
Sound-Byte Math Music Swedish composer Daniel Cummerow has created mathematical sound bytes belonging to a category known as algorithmic music. Each musical fragment is determined by a mathematical recipe -- a formula that links digits with musical notes and their duration... |
Technology Research News
May 21, 2003 |
DNA sensor changes color University of Rochester researchers have designed a simple, inexpensive sensor that can detect specific sequences of DNA on-the-fly. |
Science News
February 3, 2001
Ivars Peterson |
Fibonacci's Chinese Calendar The curious coincidence of the Fibonacci cycle and the Chinese calendar cycle allowed Seok Sagong of Middletown, Conn., to establish a one-to-one correspondence between the sequence of final digits of Fibonacci numbers and the names of years in the Chinese calendar... |
Science News
October 19, 2002
Ivars Peterson |
A Fibonacci Fountain Lake Fibonacci is a recently created reservoir at the Maryland Science and Technology Center, bordered by Curie Drive and Science Drive. The lake's remarkable centerpiece is a massive, yet elegant mathematical fountain that spurts water as high as 36 feet into the air. |
Science News
May 28, 2005
Ivars Peterson |
Mean Median Surprise Mathematicians found, using three numbers, each M&m (mean and median) sequence they found would stabilize, eventually reaching a constant value. |
Science News
November 3, 2001
Ivars Peterson |
Absolutely Abnormal Identifying the normal (or even the abnormal) in mathematics can pose serious difficulties... |
Science News
May 6, 2006
Ivars Peterson |
Quilting Pi The intriguing, enigmatic number pi, the ratio of a circle's circumference to its diameter, conjures up vivid patterns that artist and mathematician John Sims translates to quilts. |
PC Magazine
July 13, 2005
John R. Quain |
DNA Printing Press A group of scientists believes it has an inexpensive nanoprinting technique that could lead to the mass production of DNA-based chips that could revolutionize disease detection. |
AskMen.com
Neal Stastny |
30 Weird Recipes We found 30 simple recipes that would stand out in any competition. |
Science News
May 1, 2004
Ivars Peterson |
Counting on Fibonacci Fibonacci numbers have all sorts of amazing properties and links to many different kinds of mathematics |
Chemistry World
August 9, 2012
Jon Cartwright |
'Genetic code' guides nanoparticle growth Researchers in the US and China have demonstrated that DNA can also be used as a blueprint for the creation of non-biological structures. Their 'genetic code' could pave the way for tailored nanoparticles -- fit for use as catalysts, or in surface-enhanced Raman spectroscopy. |
Science News
December 14, 2002
Ivars Peterson |
A Trillion Pieces of Pi Computer scientist Yasumasa Kanada and his coworkers at the University of Tokyo Information Technology Center have now succeeded in computing 1,241,100,000,000 decimal digits of pi, smashing their own previous world record of 206,158,430,000 digits, set in 1999. |
