Shake It Up: MixturesChemistryElements, Compounds, and MixturesPure SubstancesShake It Up: MixturesColloids: Somewhere in BetweenSeparating Mixtures Mixtures are materials that contain more than…
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…
Zeus, park rangers, and the probability of being struck by lightning by Borgna Brunner Lightning Links Lightning Dangers & Fatality StatisticsEncyclopedia: LightningWeather &…
The Good, the Bad, the UglyCommon Usage DilemmasIntroductionDangling Modifiers: CounterintelligenceMisplaced Modifiers: Lost and FoundMixed Metaphors: A Dollar Late and a Day ShortSplit Infinitives:…
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…
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!
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,…
Engineering must welcome women or risk becoming marginalized as other fields seek out and make a place for them. by Sheila E. Widnall Sheila Widnall is the former Secretary of the Air…
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…