Discovered Topics
math
design
art
science
wikipedia
philosophy
geometry
typography
2008
architecture
[Discover] Kalman filter - Wikipedia, the free encyclopedia http://en.wikipedia.org/wiki/Kalman_filter
(math wikipedia research coding) 
[Discover] The Kalman Filter http://www.cs.unc.edu/~welch/kalman/ (statistics math algorithm algorithms)
[Discover] xkcd - A webcomic of romance, sarcasm, math, and language - By Randall Munroe http://xkcd.com/ (comics funny humor geek)
[Discover] Mersenne Twister: A random number generator (since 1997/10) http://www.math.sci.hiroshima-u.ac.jp/~m-mat/MT/emt.html (statistics generator math algorithm)
[Discover] Maxima, a Computer Algebra System http://maxima.sourceforge.net/ (opensource software math platform/nix)
[Discover] Programmable Logic DesignLine | An introduction to different rounding algorithms http://www.pldesignline.com/howto/showArticle.jhtml;?articleID=175801189 (rounding math programming algorithm)
[Discover] How to Write a Spelling Corrector http://norvig.com/spell-correct.html (programming python algorithms spelling)
[Discover] NumPy for Matlab Users - http://www.scipy.org/NumPy_for_Matlab_Users (matlab python reference programming)
[Discover] What Every Computer Scientist Should Know About Floating-Point Arithmetic http://docs.sun.com/source/806-3568/ncg_goldberg.html (programming math reference arithmetic)
[Discover] Wolfram Mathematica Online Integrator http://integrals.wolfram.com/index.jsp (tools mathematics integrals calculus)
[Discover] Processing 1.0 (BETA) http://processing.org/ (programming visualization design art)
[Discover] The Utility of Mathematics http://www.catb.org/~esr/writings/utility-of-math/ (math religion philosophy mathematics)
[Discover] A/Prof N J Wildberger Personal Pages: Set Theory: Should You Believe? http://web.maths.unsw.edu.au/~norman/views2.htm (mathematics/logicandsettheory quotes infinity philosophy)
[Discover] dkbza - Pythonika http://dkbza.org/pythonika.html (python mathematica math)
[Discover] Debian Package of the Day bc: an arbitrary precision numeric processing language http://debaday.debian.net/2007/10/11/bc-an-arbitrary-precision-numeric-processing-language/ (debian linux math package)
[Discover] Intersection of Lines and Planes http://softsurfer.com/Archive/algorithm_0104/algorithm_0104B.htm (algorithm c intersection geometry)
[Discover] 8.5.2.1 Using interpolation for continuous state spaces http://msl.cs.uiuc.edu/planning/node407.html (math planning)
[Discover] A Free Linear Algebra text http://joshua.smcvt.edu/linearalgebra/ (math books mathematics book)
[Discover] Binary GCD algorithm - Wikipedia, the free encyclopedia http://en.wikipedia.org/wiki/Binary_GCD_algorithm (wikipedia math algorithm theory)

[Discover] Large Numbers at MROB http://home.earthlink.net/~mrob/pub/math/largenum.html (math numbers mathematics number)
[Discover] The PAQ Data Compression Programs http://www.cs.fit.edu/~mmahoney/compression/ (opensource compression algorithms gpl)
[Discover] Texify - Online LaTeX equation writer http://www.texify.com/ (latex tools mathematics google)
[Discover] Douglas Hofstadter - Wikipedia, the free encyclopedia http://en.wikipedia.org/wiki/Douglas_Hofstadter (psychology music people wikipedia)
[Discover] Notable Properties of Specific Numbers at MROB http://home.earthlink.net/~mrob/pub/math/numbers.html (numbers math mathematics reference)
[Discover] Sunspot Software :: projects :: A paper/pencil game http://www.lkozma.net/game.html (theory cool math game)
[Discover] David Augustus Hart :: Blot http://www.dahart.com/ (interesting cool art math)
[Discover] Order of operations - Wikipedia, the free encyclopedia http://en.wikipedia.org/wiki/Order_of_operations (mathematics logic wikipedia math)
[Discover] Practical Foundations of Mathematics http://www.cs.man.ac.uk/~pt/Practical_Foundations/index.html (math mathematics logic free)
[Discover] An Introduction to Wavelets http://www.amara.com/IEEEwave/IEEEwavelet.html (math physics reference tutorial)
[Discover] rglpk's rglpk-0.1 Documentation http://rglpk.rubyforge.org/rglpk/ (lgpl programming math ruby)
[Discover] Mathematician suggests extra dimensions are time-like http://www.physorg.com/news96027669.html (physics science time mathematics)
[Discover] Googol - Wikipedia, the free encyclopedia http://en.wikipedia.org/wiki/Googol (mathematics googol wikipedia number)
[Discover] MathPuzzle.com http://www.mathpuzzle.com/ (fun games puzzles mathematics)
[Discover] GLPK - GNU Project - Free Software Foundation (FSF) http://www.gnu.org/software/glpk/ (math software optimization programming)
[Discover] New trigonometry is a sign of the times http://physorg.com/news6555.html (research article science geek)
[Discover] MathAction and Axiom ('', 'mathaction', 'FrontPage') http://wiki.axiom-developer.org/FrontPage (math software opensource lisp)
[Discover] GNU Linear Programming Kit - Wikipedia, the free encyclopedia http://en.wikipedia.org/wiki/GNU_Linear_Programming_Kit (gpl wikipedia math gnu)
[Discover] Karl Sims: Artifical Evolution for Computer Graphics http://www.genarts.com/karl/papers/siggraph91.html (algorithm research reference article)
[Discover] Piecewise - Wikipedia, the free encyclopedia http://en.wikipedia.org/wiki/Piecewise (wikipedia math)
[Discover] STIX Fonts Project Website http://www.stixfonts.org/ (fonts math typography free)
[Discover] Bloom Filters - the math http://www.cs.wisc.edu/~cao/papers/summary-cache/node8.html (algorithm bloom hash math)
[Discover] Octave http://www.gnu.org/software/octave/ (mathematics tools matlab opensource)
[Discover] Quadratic programming - Wikipedia, the free encyclopedia http://en.wikipedia.org/wiki/Quadratic_programming (wikipedia optimization programming math)
[Discover] E.W.Dijkstra Archive: Transcriptions http://www.cs.utexas.edu/users/EWD/transcriptions/transcriptions.html (dijkstra programming algorithm computer)
[Discover] Presentations online :: ILOG Optimization http://www.ilog.com/products/optimization/archive.cfm (business optimization documentation math)
[Discover] PDL - The Perl Data Language http://pdl.perl.org/ (cpan science math perl)
[Discover] Developing for Developers http://blogs.msdn.com/devdev/ (blog programming math microsoft)
[Discover] Overcoming Bias: Artificial Addition http://www.overcomingbias.com/2007/11/artificial-addi.html (philosophy science intelligence math)
[Discover] Hash Collisions: The Real Odds http://www.backupcentral.com/content/view/145/47/ (backup math storage)
[Discover] Roman Numeral and Date Conversion with Roman Calculator & Test http://www.guernsey.net/~sgibbs/roman.html (numbers reference calculators math)
[Discover] National Library of Virtual Manipulatives http://nlvm.usu.edu/en/nav/vlibrary.html (mathematics activities lessons manipulatives)
[Discover] Illuminations: Welcome to Illuminations http://illuminations.nctm.org/ (education math mathematics lessons)
[Discover] math tools http://webmath.com/ (math tools mathematics tutoring)
[Discover] Math Lessons since 1998 from Math Goodies http://www.mathgoodies.com/lessons/ (mathematics math mathstrategies interactive)
[Discover] Explore Science http://explorescience.com/ (science math)
[Discover] Clock Program http://arcytech.org/java/clock/clock.html (math time activities generator)
[Discover] FREE -- Federal Resources for Educational Excellence - Home Page http://www.ed.gov/free/index.html (government resources teaching education)
[Discover] Welcome to Investigations http://investigations.terc.edu/ (resources terc education research)
[Discover] Educational Math Activities for Kids / Math Playground http://www.mathplayground.com/ (games math interactive mathematics)
[Discover] Paso Partners - http://www.sedl.org/scimath/pasopartners/ (science math teachers)
[Discover] Fractions http://nac2.unl.edu/~mkahnl/Curriculum_Items/Fractions/fractions.htm (math)
[Discover] Math, English software, games, worksheets for grades K-8 - Dositey.com educational site http://www.dositey.com/ (games interactive resources educational)
[Discover] Computing Technology for Math Excellence http://www.ct4me.net/ (math technology integration highstakestests)
[Discover] NCTM Standards http://standards.nctm.org/ (math standards mathematics teacher)
[Discover] Numbers: Facts, Figures & Fiction http://richardphillips.org.uk/number/ (reference numbers math)
[Discover] Just Us Teachers http://www.justusteachers.com/ (math teaching material)
[Discover] FunBrain.com - The Internet's #1 Education Site for K-8 Kids and Teachers http://www.funbrain.com/ (education games fun interactive)
[Discover] Welcome to A Maths Dictionary for Kids by Jenny Eather http://www.amathsdictionaryforkids.com/ (dictionary math education maths)
[Discover] Count On http://www.counton.org/ (math maths interactive resources)
[Discover] Geo-Board Stand-a-lone http://standards.nctm.org/document/eexamples/chap4/4.2/standalone.htm (math)
[Discover] DuPage Children's Museum: Aunty Math (web site) http://www.dupagechildrensmuseum.org/aunty/index.html (math elementary mathematics puzzles)
[Discover] FlashCardFriends http://www.flashcardfriends.com/ (tools flashcards studyskills socialmedia)
[Discover] BBC - The Little Animals Activity Centre - Count Hoot's addition and subtraction game http://www.bbc.co.uk/schools/laac/numbers/ch3.shtml (subtraction addition math whiteboard)
[Discover] Algebra Graphing - Home http://funbasedlearning.com/algebra/graphing/default.htm (graphing math algebra games)
[Discover] Gallery of Data Visualization http://www.math.yorku.ca/SCS/Gallery/noframes.html (visualization statistics history data)
[Discover] BrainBoost http://brainboost.com/ (search answers literature google)
[Discover] eThemes | eMINTS http://www.emints.org/ethemes/index.shtml (resources themes research educational)
[Discover] MadSciNet: The 24-hour exploding laboratory. http://www.madsci.org/ (science education learning reference)
[Discover] Educational Press http://www.educationalpress.org/ (resources worksheets tools flashcards)
[Discover] NCES Students' Classroom http://nces.ed.gov/nceskids/index.asp?flash=true (resources educational lessons statistics)
[Discover] XE.com - Universal Currency Converter http://www.xe.com/ucc/ (currency converter finance tools)
[Discover] Online conversion of weights and measures, measurement conversion. http://www.convert-me.com/en/ (reference calculator numbers tools)
[Discover] Scientific Calculator http://my.hrw.com/math06_07/nsmedia/tools/Sci_Calculator/Sci_Calculator.html (education math calculators maths)
[Discover] PapaJan.com - Reading, Math, Phonics and Fun! http://www.papajan.com/ (fun kids learning phonics)
[Discover] Jeopardy Games http://www.hardin.k12.ky.us/res_techn/countyjeopardygames.htm (games education interactive powerpoint)
[Discover] Right and Left Half Brain Thinking, Imagination and Creativity http://www.cut-the-knot.org/ctk/RL-modes.shtml (drawing learning creativity thinking)
[Discover] calculus.org - THE CALCULUS PAGE . http://www.calculus.org/ (math mathematics calculus education)
[Discover] YTMND - 3.141592653589793... http://pi.ytmnd.com/ (music funny math pi)
[Discover] FREE Mathematics How-to Library http://www.teacherschoice.com.au/mathematics_how-to_library.htm (math maths reference)
[Discover] Martindale's Calculators On-Line Center http://www.martindalecenter.com/Calculators.html (statistics directory design agriculture)
[Discover] ThinkQuest : Library http://www.thinkquest.org/library/ (resources literature education learning)
[Discover] Clipart ETC Homepage http://etc.usf.edu/clipart/index.htm (clipart graphics images education)
[Discover] www.mrnussbaum.com - A thousand sites in one! http://www.mrnussbaum.com/index.html (games interactive fun educational)
[Discover] The Futures Channel Movies and Activities Deliver Hands-On, Real World Math and Science Lessons To ... http://www.thefutureschannel.com/index.php (video science math technology)
[Discover] Free Science and Video Lectures Online! http://freescienceonline.blogspot.com/ (science video lectures education)
[Discover] Interactivate: Home Page http://www.shodor.org/interactivate/ (interactive games math education)
[Discover] GeoGebra http://www.geogebra.org/cms/ (geometry mathematics algebra calculus)
[Discover] Welcome to Pitsco's Ask an Expert! http://www.askanexpert.com/ (science reference education kids)
[Discover] The Kalman Filter http://www.cs.unc.edu/~welch/kalman/ (statistics math algorithm algorithms)
[Discover] xkcd - A webcomic of romance, sarcasm, math, and language - By Randall Munroe http://xkcd.com/ (comics funny humor geek)
[Discover] Mersenne Twister: A random number generator (since 1997/10) http://www.math.sci.hiroshima-u.ac.jp/~m-mat/MT/emt.html (statistics generator math algorithm)
[Discover] Maxima, a Computer Algebra System http://maxima.sourceforge.net/ (opensource software math platform/nix)
[Discover] Programmable Logic DesignLine | An introduction to different rounding algorithms http://www.pldesignline.com/howto/showArticle.jhtml;?articleID=175801189 (rounding math programming algorithm)
[Discover] How to Write a Spelling Corrector http://norvig.com/spell-correct.html (programming python algorithms spelling)
[Discover] NumPy for Matlab Users - http://www.scipy.org/NumPy_for_Matlab_Users (matlab python reference programming)
[Discover] What Every Computer Scientist Should Know About Floating-Point Arithmetic http://docs.sun.com/source/806-3568/ncg_goldberg.html (programming math reference arithmetic)
[Discover] Wolfram Mathematica Online Integrator http://integrals.wolfram.com/index.jsp (tools mathematics integrals calculus)
[Discover] Processing 1.0 (BETA) http://processing.org/ (programming visualization design art)
[Discover] The Utility of Mathematics http://www.catb.org/~esr/writings/utility-of-math/ (math religion philosophy mathematics)
[Discover] A/Prof N J Wildberger Personal Pages: Set Theory: Should You Believe? http://web.maths.unsw.edu.au/~norman/views2.htm (mathematics/logicandsettheory quotes infinity philosophy)
[Discover] dkbza - Pythonika http://dkbza.org/pythonika.html (python mathematica math)
[Discover] Debian Package of the Day bc: an arbitrary precision numeric processing language http://debaday.debian.net/2007/10/11/bc-an-arbitrary-precision-numeric-processing-language/ (debian linux math package)
[Discover] Intersection of Lines and Planes http://softsurfer.com/Archive/algorithm_0104/algorithm_0104B.htm (algorithm c intersection geometry)
[Discover] 8.5.2.1 Using interpolation for continuous state spaces http://msl.cs.uiuc.edu/planning/node407.html (math planning)
[Discover] A Free Linear Algebra text http://joshua.smcvt.edu/linearalgebra/ (math books mathematics book)
[Discover] Binary GCD algorithm - Wikipedia, the free encyclopedia http://en.wikipedia.org/wiki/Binary_GCD_algorithm (wikipedia math algorithm theory)
[Discover] An Intuitive Explanation of Fourier Theory http://cns-alumni.bu.edu/~slehar/fourier/fourier.html (science tutorial algorithms fourier)
[Discover] Large Numbers at MROB http://home.earthlink.net/~mrob/pub/math/largenum.html (math numbers mathematics number)
[Discover] The PAQ Data Compression Programs http://www.cs.fit.edu/~mmahoney/compression/ (opensource compression algorithms gpl)
[Discover] Texify - Online LaTeX equation writer http://www.texify.com/ (latex tools mathematics google)
[Discover] Douglas Hofstadter - Wikipedia, the free encyclopedia http://en.wikipedia.org/wiki/Douglas_Hofstadter (psychology music people wikipedia)
[Discover] Notable Properties of Specific Numbers at MROB http://home.earthlink.net/~mrob/pub/math/numbers.html (numbers math mathematics reference)
[Discover] Sunspot Software :: projects :: A paper/pencil game http://www.lkozma.net/game.html (theory cool math game)
[Discover] David Augustus Hart :: Blot http://www.dahart.com/ (interesting cool art math)
[Discover] Order of operations - Wikipedia, the free encyclopedia http://en.wikipedia.org/wiki/Order_of_operations (mathematics logic wikipedia math)
[Discover] Practical Foundations of Mathematics http://www.cs.man.ac.uk/~pt/Practical_Foundations/index.html (math mathematics logic free)
[Discover] An Introduction to Wavelets http://www.amara.com/IEEEwave/IEEEwavelet.html (math physics reference tutorial)
[Discover] rglpk's rglpk-0.1 Documentation http://rglpk.rubyforge.org/rglpk/ (lgpl programming math ruby)
[Discover] Mathematician suggests extra dimensions are time-like http://www.physorg.com/news96027669.html (physics science time mathematics)
[Discover] Googol - Wikipedia, the free encyclopedia http://en.wikipedia.org/wiki/Googol (mathematics googol wikipedia number)
[Discover] MathPuzzle.com http://www.mathpuzzle.com/ (fun games puzzles mathematics)
[Discover] GLPK - GNU Project - Free Software Foundation (FSF) http://www.gnu.org/software/glpk/ (math software optimization programming)
[Discover] New trigonometry is a sign of the times http://physorg.com/news6555.html (research article science geek)
[Discover] MathAction and Axiom ('', 'mathaction', 'FrontPage') http://wiki.axiom-developer.org/FrontPage (math software opensource lisp)
[Discover] GNU Linear Programming Kit - Wikipedia, the free encyclopedia http://en.wikipedia.org/wiki/GNU_Linear_Programming_Kit (gpl wikipedia math gnu)
[Discover] Karl Sims: Artifical Evolution for Computer Graphics http://www.genarts.com/karl/papers/siggraph91.html (algorithm research reference article)
[Discover] Piecewise - Wikipedia, the free encyclopedia http://en.wikipedia.org/wiki/Piecewise (wikipedia math)
[Discover] STIX Fonts Project Website http://www.stixfonts.org/ (fonts math typography free)
[Discover] Bloom Filters - the math http://www.cs.wisc.edu/~cao/papers/summary-cache/node8.html (algorithm bloom hash math)
[Discover] Octave http://www.gnu.org/software/octave/ (mathematics tools matlab opensource)
[Discover] Quadratic programming - Wikipedia, the free encyclopedia http://en.wikipedia.org/wiki/Quadratic_programming (wikipedia optimization programming math)
[Discover] E.W.Dijkstra Archive: Transcriptions http://www.cs.utexas.edu/users/EWD/transcriptions/transcriptions.html (dijkstra programming algorithm computer)
[Discover] Presentations online :: ILOG Optimization http://www.ilog.com/products/optimization/archive.cfm (business optimization documentation math)
[Discover] PDL - The Perl Data Language http://pdl.perl.org/ (cpan science math perl)
[Discover] Developing for Developers http://blogs.msdn.com/devdev/ (blog programming math microsoft)
[Discover] Overcoming Bias: Artificial Addition http://www.overcomingbias.com/2007/11/artificial-addi.html (philosophy science intelligence math)
[Discover] Hash Collisions: The Real Odds http://www.backupcentral.com/content/view/145/47/ (backup math storage)
[Discover] Roman Numeral and Date Conversion with Roman Calculator & Test http://www.guernsey.net/~sgibbs/roman.html (numbers reference calculators math)
[Discover] National Library of Virtual Manipulatives http://nlvm.usu.edu/en/nav/vlibrary.html (mathematics activities lessons manipulatives)
[Discover] Illuminations: Welcome to Illuminations http://illuminations.nctm.org/ (education math mathematics lessons)
[Discover] math tools http://webmath.com/ (math tools mathematics tutoring)
[Discover] Math Lessons since 1998 from Math Goodies http://www.mathgoodies.com/lessons/ (mathematics math mathstrategies interactive)
[Discover] Explore Science http://explorescience.com/ (science math)
[Discover] Clock Program http://arcytech.org/java/clock/clock.html (math time activities generator)
[Discover] FREE -- Federal Resources for Educational Excellence - Home Page http://www.ed.gov/free/index.html (government resources teaching education)
[Discover] Welcome to Investigations http://investigations.terc.edu/ (resources terc education research)
[Discover] Educational Math Activities for Kids / Math Playground http://www.mathplayground.com/ (games math interactive mathematics)
[Discover] Paso Partners - http://www.sedl.org/scimath/pasopartners/ (science math teachers)
[Discover] Fractions http://nac2.unl.edu/~mkahnl/Curriculum_Items/Fractions/fractions.htm (math)
[Discover] Math, English software, games, worksheets for grades K-8 - Dositey.com educational site http://www.dositey.com/ (games interactive resources educational)
[Discover] Computing Technology for Math Excellence http://www.ct4me.net/ (math technology integration highstakestests)
[Discover] NCTM Standards http://standards.nctm.org/ (math standards mathematics teacher)
[Discover] Numbers: Facts, Figures & Fiction http://richardphillips.org.uk/number/ (reference numbers math)
[Discover] Just Us Teachers http://www.justusteachers.com/ (math teaching material)
[Discover] FunBrain.com - The Internet's #1 Education Site for K-8 Kids and Teachers http://www.funbrain.com/ (education games fun interactive)
[Discover] Welcome to A Maths Dictionary for Kids by Jenny Eather http://www.amathsdictionaryforkids.com/ (dictionary math education maths)
[Discover] Count On http://www.counton.org/ (math maths interactive resources)
[Discover] Geo-Board Stand-a-lone http://standards.nctm.org/document/eexamples/chap4/4.2/standalone.htm (math)
[Discover] DuPage Children's Museum: Aunty Math (web site) http://www.dupagechildrensmuseum.org/aunty/index.html (math elementary mathematics puzzles)
[Discover] FlashCardFriends http://www.flashcardfriends.com/ (tools flashcards studyskills socialmedia)
[Discover] BBC - The Little Animals Activity Centre - Count Hoot's addition and subtraction game http://www.bbc.co.uk/schools/laac/numbers/ch3.shtml (subtraction addition math whiteboard)
[Discover] Algebra Graphing - Home http://funbasedlearning.com/algebra/graphing/default.htm (graphing math algebra games)
[Discover] Gallery of Data Visualization http://www.math.yorku.ca/SCS/Gallery/noframes.html (visualization statistics history data)
[Discover] BrainBoost http://brainboost.com/ (search answers literature google)
[Discover] eThemes | eMINTS http://www.emints.org/ethemes/index.shtml (resources themes research educational)
[Discover] MadSciNet: The 24-hour exploding laboratory. http://www.madsci.org/ (science education learning reference)
[Discover] Educational Press http://www.educationalpress.org/ (resources worksheets tools flashcards)
[Discover] NCES Students' Classroom http://nces.ed.gov/nceskids/index.asp?flash=true (resources educational lessons statistics)
[Discover] XE.com - Universal Currency Converter http://www.xe.com/ucc/ (currency converter finance tools)
[Discover] Online conversion of weights and measures, measurement conversion. http://www.convert-me.com/en/ (reference calculator numbers tools)
[Discover] Scientific Calculator http://my.hrw.com/math06_07/nsmedia/tools/Sci_Calculator/Sci_Calculator.html (education math calculators maths)
[Discover] PapaJan.com - Reading, Math, Phonics and Fun! http://www.papajan.com/ (fun kids learning phonics)
[Discover] Jeopardy Games http://www.hardin.k12.ky.us/res_techn/countyjeopardygames.htm (games education interactive powerpoint)
[Discover] Right and Left Half Brain Thinking, Imagination and Creativity http://www.cut-the-knot.org/ctk/RL-modes.shtml (drawing learning creativity thinking)
[Discover] calculus.org - THE CALCULUS PAGE . http://www.calculus.org/ (math mathematics calculus education)
[Discover] YTMND - 3.141592653589793... http://pi.ytmnd.com/ (music funny math pi)
[Discover] FREE Mathematics How-to Library http://www.teacherschoice.com.au/mathematics_how-to_library.htm (math maths reference)
[Discover] Martindale's Calculators On-Line Center http://www.martindalecenter.com/Calculators.html (statistics directory design agriculture)
[Discover] ThinkQuest : Library http://www.thinkquest.org/library/ (resources literature education learning)
[Discover] Clipart ETC Homepage http://etc.usf.edu/clipart/index.htm (clipart graphics images education)
[Discover] www.mrnussbaum.com - A thousand sites in one! http://www.mrnussbaum.com/index.html (games interactive fun educational)
[Discover] The Futures Channel Movies and Activities Deliver Hands-On, Real World Math and Science Lessons To ... http://www.thefutureschannel.com/index.php (video science math technology)
[Discover] Free Science and Video Lectures Online! http://freescienceonline.blogspot.com/ (science video lectures education)
[Discover] Interactivate: Home Page http://www.shodor.org/interactivate/ (interactive games math education)
[Discover] GeoGebra http://www.geogebra.org/cms/ (geometry mathematics algebra calculus)
[Discover] Welcome to Pitsco's Ask an Expert! http://www.askanexpert.com/ (science reference education kids)
