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The Flap Over Pluto

Sources: NASA and the International Astronomical Union. News Flash (August 24, 2006)—Pluto Demoted! Read About It Here. Misleading reports that Pluto was about to lose its status as a planet in…

Chemistry: Colloids: Somewhere in Between

Colloids: Somewhere in BetweenChemistryElements, Compounds, and MixturesPure SubstancesShake It Up: MixturesColloids: Somewhere in BetweenSeparating Mixtures Earlier, I said that something was…

The Hiroshima and Nagasaki Bombings Remembered

The Bombings of Hiroshima and Nagasaki August 6 and 9, 1945 by Ben Snowden At 2:45 in the morning of August 6, 1945, an American B-29 bomber flew north from Tinian Island in the Marianas…

Algebra: Speed and Distance Problems

Speed and Distance Problems Algebra Whipping Word Problems Interest Problems Area and Volume Problems Speed and Distance Problems Mixture and Combination Problems Have you ever heard of a…

Human Evolution

—By Karen Barss The story of human evolution began in Africa about six million years ago and it describes the very long process that our ancestors went through to ultimately become modern humans.…

Tuberculosis: TB Is a Global Peril

TB Is a Global PerilTuberculosisIntroductionTuberculosis: Airborne NightmareTreating TBTB Is a Global Peril Potent Fact One third of the population of the world is infected with TB. The vast…

Desktop Publisher

What is this job like? Using computer software, these workers combine printed material, numbers, pictures, and charts to prepare publications. They also write and correct text. They make graphics…

Being Transgender Today

After years of struggling for visibility and acceptance, transgender individuals and the issues they face came into the national spotlight in 2015.   Caitlyn Jenner Photo Credit:…

Origin of Prokaryotes and Eukaryotes: Protists

ProtistsOrigin of Prokaryotes and EukaryotesIntroductionOrigin of ProkaryotesEukaryote EvolutionProtistsSlime Molds Protists represent in excess of 100,000 species and are so varied in their…