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Chemistry: Shake It Up: Mixtures

Shake It Up: MixturesChemistryElements, Compounds, and MixturesPure SubstancesShake It Up: MixturesColloids: Somewhere in BetweenSeparating Mixtures Mixtures are materials that contain more than…

Chemistry: What Are Gases?

What Are Gases?ChemistryThe Kinetic Molecular Theory of GasesWhat Are Gases?The Kinetic Molecular Theory of Gases: Why Gases Do What They DoWhy This Is Important: Ideal GasesImportant Terms and…

Common Usage Dilemmas: The Good, the Bad, the Ugly

The Good, the Bad, the UglyCommon Usage DilemmasIntroductionDangling Modifiers: CounterintelligenceMisplaced Modifiers: Lost and FoundMixed Metaphors: A Dollar Late and a Day ShortSplit Infinitives:…

Algebra: Multiplying Polynomials

Multiplying Polynomials Algebra Introducing Polynomials Classifying Polynomials Adding and Subtracting Polynomials Multiplying Polynomials Dividing Polynomials Unlike addition and…

Why do we blink?

Blinking protects our eyes from foreign objects, sweeps up dirt that gets in our eyes and lubricates our eyes by spreading tears across the surface. Don't you think that is a lot to accomplish in…

Why do we sneeze?

We sneeze to clear our breathing passages. We all have a natural reflex to sneeze whenever a small foreign substance enters our airways. So don’t hold back your sneezes-let ‘em rip!

A Tour of Rushmore

Related Links: Rushmore Official Site Entertainment Reviews: Rushmore The Movies of 1998 The Movies of 1999Rushmore is more about the reality people create for themselves — in fantasies,…

What happens when my foot falls asleep?

Feet don’t really sleep. They just feel tingly when an adequate blood supply to our nerves is cut off. This usually happens when you stay in one position too long—like sitting with your legs…