 Ant Math (MatheMUSEments!)  Ivars Peterson (Math Muse for Kids)
Imagine stepping into a pitchblack room. How might you figure out the room's size in the dark? You could, for example, carefully follow the walls and count how many steps you took going from one corner to the next all the way around. That would give
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 Arnd Roth  Arnd Roth, Institute for Theoretical Physics, Heidelberg, Germany
Arnd Roth studies computational physics and neuroscience. This page provides documentation and code for related Mathematica notebooks, and a notebook for the Knight's Tour chess problem, available online. Also links to abstracts or text of many of Roth's
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 Bee Alert  University of Montana
Bees and portable computers can now be used to assess environmental hazards through the development of electronic hives, toxicological models, extensive databases, and patternrecognizing software that help assess risks posed by metals, radiation, carcinogenic
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 Biomedical Time Series Analysis  Christina Kendziorski
Biomedical time series are sequences of observations recorded over time (a simple example would be hourly measurements of the blood pressure of a patient). These series of measurements exhibit characteristics of the systems and mechanisms that generate
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 Buffon's Needling Ants  Ivars Peterson (MathTrek)
The idea of estimating pi by randomly casting a needle onto an infinite plane ruled with parallel lines was first proposed by the naturalist and mathematician Georges Louis Leclerc Comte de Buffon (17071788). In recent years, computer
simulations have
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 The Butterfly Website Picture Galleries  Mikula Web Solutions, Inc.
Symmetry in nature: butterfly and moth images from a variety of sources. In most cases, a small picture is included for speed of transmission, and a larger picture is available by clicking on the small picture.
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 Calculating Swarms  Ivars Peterson  Science News Online
Ant teamwork suggests models for computing faster and organizing better. Astonishing feats of teamwork emerge from a large number of unsupervised individuals following a few simple rules. This sort of selforganizing cooperative behavior among ants, bees,
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 David Bruce Wilson
David Bruce Wilson researches probability, combinatorics, and theoretical computer science. Abstracts of his articles on these subjects are available on the web and may be downloaded in PostScript or .dvi formats. Software available for download includes
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 Differential Equations Resource Page  Gavin Larose, University of Michigan Math Department
PostScript labs, involving Mathematica 3.0 or better. Also 12 projects, with PostScript notes on solutions, and a brief list of links to other ODE resources.
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 EggMath  Bradlow, Sullivan, Levy, UIUC
A collection of modules (including many interactive applets) for K12 classrooms, based on the theme of eggs. Topics include: the shape of an egg (addressing symmetry and crosssection, surfaces of revolution, pin and string construction of ellipses, Cartesian
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 ExperSim: Experimental Simulations  McClelland, Polson; University of Colorado
Generate simulated experimental data for four studies  Imprinting in Precocial Birds (Rajecki), The Etiology of Schizophrenia (Main), Motivational Factors in Routine Performance (Mueller), and Social Facilitation (Rajecki & HalsteadNussloch). For
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 Fibonacci Numbers and Nature  Ron Knott
Fibonacci and his original problem about rabbits that gave the series its name; the family trees of bees; the golden ratio and the Fibonacci series; the Fibonacci Spiral and sea shell shapes; branching plants; flower petal and seedheads; and the leaf
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 Fibonacci Numbers and the Golden Section  Ron Knott
Information about the Fibonacci series, including a brief biography of Fibonacci, the numerical properties of the series, and the ways it is manifested in nature. Fibonacci numbers are closely related to the golden ratio (also known as the golden mean,
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 FIRST STEP Online  Charles Onstad, Director
The Federal laboratories' Involvement in Research in Science and Technology for Science Teacher Enhancement (FIRST STEP) combined the expertise of research scientists and science teachers to bring actual research into middle school classrooms. Lessons
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 Flight of the Bumblebee  Ivars Peterson (MathLand)
How did proving that a bumblebee can't fly originate? Who started the story? It apparently first surfaced in Germany in the 1930s, and the story was about a prominent Swiss aerodynamicist. One evening, the researcher happened to be talking to a biologist
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 FlyBase: A Database of the Drosophila Genome  Berkeley & European Drosophila Genome Projects
A searchable database of maps, genes, transposons, aberrations, stocks; genome projects, references, people, and images (body parts).
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 Growth Creature Lab  Mike Riedy
This lab ties the growth of creatures into the Fundamental Theorem of Similarity and extends it to logistic growth. The lab shows students how to collect data from the growing creatures and how the data apply to geometry. Sections of the lesson include:
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 HillsdaleLenaweeMonroe Math and Science Center
From eastern Michigan, USA. Interactive sessions and information on water studies for high schools, including data collection on frogs and toads, a virtual marsh tour, water quality studies, TI calculator programs, and links to math/science sites.
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 IDEA: Internet Differential Equations Activities  Thomas LoFaro; College of Sciences, Washington State Univ. (WSU)
Interdisciplinary computerbased activities for differential equations: a database of computer activities illustrating both mathematical concepts and the application of these concepts in a wide variety of disciplines. DynaSys, Java differential equations
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 Journey North  Annenberg Media
Register online (free) for a global study of wildlife migration. Read today's news, from monarch migrations to robin populations in the south; report sightings, search the site. Numerous supplemental materials are available online, and further materials
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 Lizard Game (MatheMUSEments!)  Ivars Peterson (Math Muse for Kids)
The rocky Coast Range of California is the setting for an unusual game played by a brightly colored sideblotched lizard. Each male of the species has one of three throat colors, and each color of lizard has a different mating behavior. The lizards play
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 Math & Science Lesson Plans  Science and Math on the Net (SAMNet)
Lesson plans developed during various SamNet symposiums and related workshops. A collaboration between the NSF Center for Advanced Liquid Crystalline Optical Materials (ALCOM), the Department of Mathematics and Computer Science, and the Libraries of
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 Mating Games and Lizards  Ivars Peterson (MathLand)
Is there a winning strategy for the game ScissorsPaperRock? It certainly doesn't make sense to show the same configuration each time. An alert opponent would quickly learn to anticipate your move, make the appropriate response, and always win. A similar
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 Northwestern Crows: Using Rational Functions to Investigate the Behavior of Northwestern Crows (iMath Investigations)  Illuminations; National Council of Teachers of Mathematics (NCTM)
An online, interactive, multimedia math investigation in which students use rational functions to explore the possible reasons behind the observation that northwestern crows consistently drop a type of mollusk called a whelk from a height of 5 meters.
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 Paul Trow's Math Page  Paul Trow
Trow's interactive web pages and perl software let you graph the LotkaVoltera equations and see interconnected predator and prey populations plotted over time; model the trajectory of a cannonball for different muzzle velocities and angles of elevation,
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 Pinpointing Prey  Ivars Peterson (MathTrek)
The sand scorpion uses two types of sensors on the tips of its legs to detect mechanical vibrations transmitted over relatively short distances across the surface. One sensor, called the basitarsal slit sensillum, detects surface waves, or ripples. The
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 Route ICS (formerly DeweyWeb): Interactive Communications and Simulations  Univ. of Michigan
An effort to link distant schools and expand the classroom experience: using telecommunications and computer conferencing, students can spend part of every school day in a "global classroom." Crossroads: The Route 12 Project is a grassroots attempt to
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 Science, Engineering, and Technology for Youth  eXtension
Lessons, news, articles, answers from experts, a glossary, and other science resources for young people. See especially Math in Child Care, which organizes suggestions for developing children's mathematical foundations into topics such as onetoone correspondence
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 Simple Minds, Smart Choices  Bruce Bower  Science News Online
The Center for Adaptive Behavior and Cognition at the Max Planck Institute for Human Development in Berlin has launched a project to explore the impact of bounded rationality on human judgment. The group focuses on what it calls "fast and frugal" formulas
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 System Dynamics  Maryland Virtual High School at Montgomery Blair High School
Understanding how complex systems change over time: internal feedback loops within the structure of the system influence the entire system behavior. Tools and resources including connections to other system dynamics/operations research projects; and links
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 Those Amazing Flying Mathematicians  Keith Devlin (Devlin's Angle)
October is the month when those of us living in the United States see migrating birds moving south for the winter. How do they know which direction to fly?... Assuming that the average bird is not the mathematical equivalent of a college math major, how
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 The Travelling Monkey  Ivars Peterson (MathLand)
One of the classic problems of planning ahead concerns a traveling salesman who must visit customers in a number of cities scattered across the country and then return home. The problem is to find the shortest possible route visiting each city only once.
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 U.S. Geological Survey  U.S. Department of the Interior
Scientific factfinding and research organization of the U.S. Dept. of the Interior; the principal source of scientific and technical expertise in the earth sciences within the U.S. Federal Government. Includes The Learning Web, where Teacher Developed
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 Using Algebra and Discrete Mathematics to Investigate Population Changes in a Trout Pond (iMath Investigations)  Illuminations; National Council of Teachers of Mathematics (NCTM)
An online, interactive, multimedia math investigation that illustrates the use of iteration, recursion, and algebra to model and analyze a changing fish population. Graphs, equations, tables, and technological tools are used to investigate the effect
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 Viral shell game  Ivars Peterson  Science News Online
The success of a virus in infecting its host depends largely on how well its outer coat functions. Made up of protein building blocks, this tightly closed shell usually has a geometric structure... Mathematical research suggests that sets of simple rules,
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 Whales: A Thematic Web Unit  Kimberlye P. Joyce, Curry School
A thematic unit for cooperative learning across the K5 integrated curriculum; an interactive resource for teachers, students and parents. Teacher Resources (Bibliography, Book Reviews, Glossary, Homework Suggestions); Student Activities (Whale Research,
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 Wildlife Trade: Buyer Beware  Shelly Peretz, Thornridge High School, Dolton, IL
Collecting and analyzing consumer values, attitudes, and beliefs regarding wildlife trade and endangered species: a project that demonstrates the feasibility of integrating learning strategies, math, social studies and science within a traditional high
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 Women's Adventures in Science  National Academy of Sciences
This project of the National Academy of Sciences showcases contemporary women in science, and highlights for young people the varied careers of some of today's most prominent scientists. The site draws from and accompanies Women's Adventures in Science,
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