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Language Arts
ClassBrain's Kit Kittredge® Hometown Reporter Competition
Learn how you can become a published writer in The Kit Kittredge® Hometown Reporter Competition sponsored by ClassBrain® and Picturehouse®, and win cool prizes in celebration of the new American Girl®, Kit Kittredge® movie.
Sep 17, 2008, 12:48 PST
Chemistry
The “e-Nose”: Scientists try to develop an electronic sniffer
For almost 25 years, chemists and other scientists have tried to build a machine that can take a whiff of the air, food or other objects and say whether the odor is nasty or nice, the e-Nose.
Sep 3, 2008, 12:22 PST
Ecology
Can Compact Flourescent Bulbs Cause Headaches?
Can those energy-efficient compact fluorescent light bulbs that are popular now cause headaches because of the flickering they do? I converted my whole house over last fall and both my kids were complaining of headaches on and off.
Aug 14, 2008, 20:38 PST
Astronomy
Looking for Water on the Moon
NASA is going to crash a piece of their current LCROSS probe into a shadowy part of the moon to see if they can blast away material that will expose signs of water.
Aug 11, 2008, 11:42 PST
Visual Arts
National Gallery of Art Podcasts
Free podcasts from the National Gallery of Art in Washington DC allow art lovers around the world to explore their collections, or visitors to the DC area to docent their won tours through the museum.
Aug 10, 2008, 20:50 PST
Ecology
Is the Ocean's Destruction Reversible?
Researchers say there is six times more plastic than plankton in the ocean. Have we damaged the ocean to the point that it can no longer recover?
Aug 5, 2008, 21:02 PST
Foreign Language
The Importance of Learning a Foreign Language
Why should we learn a foreign language? After all, the whole world speaks English. Well, there's some truth in this argument, but only some. There are many reasons for learning a new language...
Jul 30, 2008, 19:23 PST
Ecology
Check Your Water Sense
Think you know everything about water? Take the quiz and learn how to save water, then study the lesson plan on simple things we can do to save water every day.
Jul 29, 2008, 09:17 PST
Ecology
Green Commuting
Goodyear, AZ implements a new express bus to downtown Phoenix to save local commuters time and money, while saving the environment.
Jul 25, 2008, 20:48 PST
Ecology
Green Roofs
How can you modify a roof to provide an environmental benefit?
Jul 20, 2008, 21:03 PST
Ecology
Autism and the Environment
What’s going on with all the cases of autism cropping up and no one seems to know why? It stands to reason it must be something (or some things) environmental, yet every study allegedly turns up no conclusion...
Jul 6, 2008, 20:31 PST
Current Events
Not So Funny In China
A look at the way the people of China view American political cartoons through an interview with Daryl Cagle.
Jul 1, 2008, 14:38 PST
Ecology
Corn Based Plastics
What are the environmental pros and cons of corn-based plastic as an alternative to conventional petroleum-based plastic?
Jun 29, 2008, 20:53 PST
Visual Arts
SIGGRAPH - Slow Art Exhibition
Slow Art encompasses juried art from 41 artists meditating on fast and slow living in a landscape of technology. The goal of the collection is to investigate if the speed of our digital culture creates an oasis for contemplation or a hunger for yet more speed.
Jun 26, 2008, 14:25 PST
Ecology
Cogeneration - Recycled Energy
Cogeneration—also known as combined heat and power, distributed generation, or recycled energy—is the simultaneous production of two or more forms of energy from a single fuel source.
Jun 24, 2008, 21:24 PST
Ecology
Getting Rid of Carpenter Ants without Dangerous Pesticides
How to get rid of carpenter ants without dangerous pesticides.
Jun 24, 2008, 21:11 PST
Maran Algebra Bootcamp
Algebra Glossary
When you need the explanation of an algebra term, you can easily refer to the comprehensive glossary in this chapter.
Jun 24, 2008, 20:22 PST
Maran Algebra Bootcamp
Algebra Bootcamp
Learn algebra basics with the help of the Maran Algebra Bootcamp chapter from their Online Algebra course.
Jun 24, 2008, 20:00 PST
Maran Algebra Bootcamp
Fractions and Exponents
Learn how to deal with fractions and exponents in this chapter of Maran Online Algebra.
Jun 24, 2008, 19:46 PST
Maran Algebra Bootcamp
Solving Basic Algebraic Equations
Learn how to solve basic algebraic equations in chapter three of Maran Online Algebra.
Jun 24, 2008, 19:30 PST
Maran Algebra Bootcamp
Graphing Linear Equations
Learn useful techniques for graphing linear equations in chapter four of Maran Online Algebra.
Jun 24, 2008, 19:20 PST
Maran Algebra Bootcamp
Solving Inequalities
Chapter five of Maran Online Algebra equips you with the skills to solve inequalities and plot them on a graph.
Jun 24, 2008, 19:15 PST
Maran Algebra Bootcamp
Solving Algebraic Matrices
Learn the special rules that govern matrices in Chapter six of Maran Online Algebra. This chapter explains what they are and how to work with them.
Jun 24, 2008, 19:10 PST
Maran Algebra Bootcamp
Solving Systems of Equations
Systems of equations seem daunting, but Chapter Seven will help you learn methods to make solving more than one equation a snap.
Jun 24, 2008, 19:05 PST
Maran Algebra Bootcamp
Solving Polynomials
Chapter eight of Algebra Online introduces you to polynomials and gives you techniques to learn to work with them.
Jun 24, 2008, 18:59 PST
Maran Algebra Bootcamp
Working With Radical Expressions
Chapter nine of Online Algebra deals with radicals and helps you learn how to work with these useful expressions.
Jun 24, 2008, 07:30 PST
Maran Algebra Bootcamp
Factoring Expressions
Factoring is the mathematical equivalent of rewinding. When you factor an expression, it is like starting with the answer and working your way back to the question. Chapter 10 reveals a number of handy techniques for factoring expressions.
Jun 24, 2008, 07:20 PST
Maran Algebra Bootcamp
Solving Quadratic Equations
Chapter 11 helps you recognize quadratic equations in the various forms in which they can appear and helps you decide on the best way to tackle them.
Jun 24, 2008, 07:15 PST
Maran Algebra Bootcamp
How to Graph Quadratic Equations
Graphing quadratic equations, however, opens the door to the wonderful world of parabolas. Chapter 12 introduces these U-shaped curves and gives you the tools to graph them.
Jun 24, 2008, 06:17 PST
Ecology
Water Conservation Tips in a Drought
It's easy to take for granted a resource that is abundantly available in our daily lives. But the ease with which we can access this vital commodity often obscures the reality that it is in fact a limited resource.
Jun 16, 2008, 19:18 PST
Astronomy
Moon Illusion on the Summer Solstice
Sometimes you just can't believe your eyes. This week is one of those times. On Wednesday night, June 18th, step outside at sunset and look around. You'll see a giant form rising in the east. At first glance it looks like the full Moon. It has craters and seas and the face of a man, but this "moon" is strangely inflated. It's huge! You've just experienced the Moon Illusion.
Jun 16, 2008, 19:08 PST
Ecology
Bugged By Global Warming
Bugs. They want us to eat bugs. I speak of a recent article in Time that explains why eating bugs is good for the environment...
Jun 16, 2008, 18:43 PST
Ecology
Scientists Sign Petition Opposing Global Warming Alarmism
As the Senate prepares for floor debate on global warming legislation, the list of scientist signatories to the Oregon Institute of Science and Medicine’s petition against global warming alarmism is growing by about 35 signatures every day, announced OISM’s Art Robinson.
Jun 2, 2008, 20:45 PST
Algebra 2
Algebra 2 - Trigonometric Identities
Trigonometric identities are ways of simplifying trigonometric expressions. Although it is quite a mouthful, Mr. Green simplifies the information in this interactive math tutorial.
May 30, 2008, 21:49 PST
Algebra 2
Algebra 2 - Translating Graphs
Are you lost in translation when it comes to translating graph in Algebra 2? This interactive lesson will help make the process clear.
May 30, 2008, 21:39 PST
Algebra 2
Algebra 2 - Solving Radical Equations
Learn to solve radical equations by isolating the radical on one side of the equation, in this step by step algebra 2 lesson.
May 30, 2008, 21:20 PST
Algebra 2
Algebra 2 - Sequences and Series
Explore arithmetic and geometric sequences in this great interactive lesson with Mr. Green.
May 30, 2008, 20:53 PST
Algebra 2
Algebra 2 - Rational Functions and their Graphs
Learn how to graph rational functions in this interactive algebra lesson. Go through the lesson at your own pace, and repeat it if needed.
May 30, 2008, 20:41 PST
Algebra 2
Algebra 2 - Properties of Logarithms
Follow along as Mr. Green explores the properties of logarithms, including the product property, the quotient property, and the power property.
May 30, 2008, 20:25 PST
Algebra 2
Algebra 2 - Probability and Statistics
Learn how to break down problems so that you can figure the probability of events. Follow along as Mrs Jenkins explains the Fundamental Counting Principle step by step.
May 30, 2008, 20:15 PST
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